Watches with a 20 mm lug width

Reference Collection Case Dial Movement Water resistance Produced
Omega 220.10.41.21.03.005 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Summer Blue / Bracelet Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2023
Omega 220.10.41.21.03.006 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Turquoise / Bracelet Aqua Terra 41 mm Stainless Steel Turquoise Automatic 8900 150 m 2024
Omega 220.10.41.21.03.007 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Bracelet Aqua Terra 41 mm Stainless Steel Blue 150 m 2026
Omega 220.10.41.21.06.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Grey / Bracelet Aqua Terra 41 mm Stainless Steel Grey Automatic 8900 150 m 2017
Omega 220.10.41.21.10.002 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Green / Bracelet Aqua Terra 41 mm Stainless Steel Green 150 m 2026
Omega 220.12.41.21.01.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Black / Rubber Aqua Terra 41 mm Stainless Steel Black Automatic 8900 150 m 2017
Omega 220.12.41.21.02.002 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Silver / Rubber Aqua Terra 41 mm Stainless Steel Silver Automatic 8900 150 m 2017
Omega 220.12.41.21.02.005 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Stainless Steel / Silver / Rubber Aqua Terra 41 mm Stainless Steel Silver 8917 150 m 2021
Omega 220.12.41.21.03.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Rubber Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2017
Omega 220.12.41.21.03.002 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Rubber Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2017
Omega 220.12.41.21.03.004 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / NATO / Paralympics Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2017
Omega 220.12.41.21.03.005 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Stainless Steel / Blue / Rubber Aqua Terra 41 mm Stainless Steel Blue 8917 150 m 2021
Omega 220.12.41.21.03.007 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Rubber Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2022
Omega 220.12.41.21.03.008 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Summer Blue / Rubber Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2023
Omega 220.12.41.21.03.009 Seamaster Aqua Terra 150M Master Chronometer 41 Armand “Mondo” Duplantis Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2024
Omega 220.12.41.21.06.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Grey / Rubber Aqua Terra 41 mm Stainless Steel Grey Automatic 8900 150 m 2017
Omega 220.13.41.21.01.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Black / Alligator Aqua Terra 41 mm Stainless Steel Black Automatic 8900 150 m 2017
Omega 220.13.41.21.03.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Alligator Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2017
Omega 220.13.41.21.03.002 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Blue / Alligator Aqua Terra 41 mm Stainless Steel Blue Automatic 8900 150 m 2017
Omega 220.13.41.21.06.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Grey / Alligator Aqua Terra 41 mm Stainless Steel Grey Automatic 8900 150 m 2017
Omega 220.20.41.21.01.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel - Moonshine Gold / Black / Bracelet Aqua Terra 41 mm Stainless Steel, Moonshine Gold Black Automatic 8900 150 m 2024
Omega 220.20.41.21.02.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Sedna Gold / Silver / Bracelet Aqua Terra 41 mm Sedna Gold, Stainless Steel Silver Automatic 8900 150 m 2021
Omega 220.20.41.21.06.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Sedna Gold / Grey / Bracelet Aqua Terra 41 mm Sedna Gold, Stainless Steel Grey Automatic 8900 150 m 2017
Omega 220.22.41.21.03.001 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Stainless Steel / Sedna Gold / Blue / Rubber Aqua Terra 41 mm Sedna Gold, Stainless Steel Blue 8917 150 m 2021
Omega 220.22.41.21.06.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Sedna Gold / Black / Rubber Aqua Terra 41 mm Sedna Gold, Stainless Steel Grey 150 m 2026
Omega 220.23.41.21.02.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel / Sedna Gold / Silver / Alligator Aqua Terra 41 mm Sedna Gold, Stainless Steel Grey Automatic 8900 150 m 2017
Omega 220.32.41.21.03.001 Seamaster Aqua Terra 150M Master Chronometer 41 Stainless Steel - Ceramic / Turquoise / Rubber Aqua Terra 41 mm Stainless Steel Turquoise Automatic 8900 150 m 2025
Omega 220.50.41.21.02.001 Seamaster Aqua Terra 150M Master Chronometer 41 Sedna Gold / Silver / Bracelet Aqua Terra 41 mm Sedna Gold Grey Automatic 8901 150 m 2017
Omega 220.50.41.21.02.002 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Sedna Gold / Silver / Bracelet Aqua Terra 41 mm Sedna Gold Silver 8917 150 m 2021
Omega 220.50.41.21.02.004 Seamaster Aqua Terra 150M Master Chronometer 41 Moonshine Gold / Silver / Bracelet Aqua Terra 41 mm Sedna Gold Silver 150 m 2026
Omega 220.50.41.21.03.001 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Sedna Gold / Blue / Bracelet Aqua Terra 41 mm Sedna Gold Blue 8917 150 m 2021
Omega 220.50.41.21.10.001 Seamaster Aqua Terra 150M Master Chronometer 41 Moonshine Gold / Green / Bracelet Aqua Terra 41 mm Moonshine Gold Green Automatic 8901 150 m 2024
Omega 220.52.41.21.02.001 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Sedna Gold / Silver / Rubber Aqua Terra 41 mm Sedna Gold Silver 8917 150 m 2021
Omega 220.52.41.21.03.002 Seamaster Aqua Terra 150M Master Chronometer Small Seconds 41 Sedna Gold / Blue / Rubber Aqua Terra 41 mm Sedna Gold Blue 8917 150 m 2021
Omega 220.52.41.21.10.001 Seamaster Aqua Terra 150M Master Chronometer 41 Moonshine Gold / Green / Rubber Aqua Terra 41 mm Moonshine Gold Green Automatic 8901 150 m 2024
Omega 220.53.41.21.13.001 Seamaster Aqua Terra 150M Master Chronometer 41 Sedna Gold / Brown / Alligator Aqua Terra 41 mm Sedna Gold Brown Automatic 8901 150 m 2017
Omega 220.92.41.21.03.002 Seamaster Aqua Terra 150M Master Chronometer 41 Ultra Light Armand “Mondo” Duplantis Aqua Terra 41 mm Titanium Grey Manual Winding 8928 150 m 2024
Omega 2201.50.00 Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Bracelet Seamaster Planet Ocean 42 mm Stainless Steel Black Automatic 2500 600 m 2005–2013
Omega 2220.80.00 Seamaster Diver 300M Co-Axial 41 Stainless Steel / Blue / Bracelet Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 2500 300 m 2006–2013
Omega 2226.80.00 Seamaster Diver 300M Co-Axial 41 Stainless Steel / Blue / Bracelet / Casino Royale Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 2500 300 m 2006–2007
Omega 2230.50.00 Seamaster Diver 300M Automatic 41 Stainless Steel / White Gold / Black / Non-America's Cup Seamaster Diver 300M 41 mm White Gold, Stainless Steel Black Automatic 1120 300 m 2001
Omega 2231.80.00 Seamaster Diver 300M Automatic 41 Titanium / Electric Blue / Bracelet Seamaster Diver 300M 41 mm Titanium Blue Automatic 1120 300 m 1993–2005
Omega 2232.30.00 Seamaster Diver 300M Automatic 41 Titanium / Grey / Bracelet / 150th Anniversary Seamaster Diver 300M 41 mm Titanium, White Gold Grey Automatic 1120 300 m 1993–2005
Omega 2232.80.00 Seamaster Diver 300M Automatic 41 Titanium / Electric Blue / Bracelet Seamaster Diver 300M 41 mm Titanium Blue Automatic 1120 300 m 2013
Omega 2233.50.00 Seamaster Diver 300M Automatic 41 Stainless Steel / White Gold / Black / Panama Seamaster Diver 300M 41 mm White Gold, Stainless Steel Black Automatic 1120 300 m
Omega 2251.50.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Black / Bracelet / Japan Seamaster Diver 300M 41 mm Stainless Steel Black Automatic 1120 300 m
Omega 2251.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Blue / Bracelet / Japan Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m
Omega 2256.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Electric Blue / Bracelet / Ian Thorpe Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m 2000
Omega 2257.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Electric Blue / Bracelet / Royal Navy Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m 2000
Omega 2261.80.00 Seamaster Diver 300M Quartz 41 Stainless Steel / Blue / Bracelet / Japan Seamaster Diver 300M 41 mm Stainless Steel Blue Quartz 1538 300 m
Omega 2301.11.00 Seamaster 120M Automatic 36.25 Stainless Steel / Yellow Gold / Champagne Seamaster 120M 36.25 mm Yellow Gold, Stainless Steel Champagne Automatic 1120 120 m 1993
Omega 2332.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Yellow Gold / Blue / Bracelet Seamaster Diver 300M 41 mm Yellow Gold, Stainless Steel Blue Automatic 1120 300 m
Omega 2531.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Blue / Bracelet / James Bond Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m 1993–2005
Omega 2531.86.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Blue / Bracelet / Non-Chronometer Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m 1993–2005
Omega 2532.20.00 Seamaster Diver 300M Automatic 41 Stainless Steel / White / Bracelet Seamaster Diver 300M 41 mm Stainless Steel White Automatic 1120 300 m 1993–2005
Omega 2537.80.00 Seamaster Diver 300M Automatic 41 Stainless Steel / Blue / Bracelet / James Bond 40th Anniversary Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 1120 300 m 2002–2003
Omega 2636.50.91 Seamaster Diver 300M Automatic 41 Red Gold / Black / Rubber Seamaster Diver 300M 41 mm Red Gold Black Automatic 1120 300 m
Omega 2830.50.91 Seamaster Diver 300M Automatic 41 Stainless Steel / White Gold / Black / Leather Seamaster Diver 300M 41 mm White Gold, Stainless Steel Black Automatic 1120 300 m 2001
Omega 2833.50.91 Seamaster Diver 300M Automatic 41 Stainless Steel / White Gold / Black / Leather / America's Cup Seamaster Diver 300M 41 mm White Gold, Stainless Steel Black Automatic 1120 300 m 2000
Omega 2836.50.91 Seamaster Diver 300M Automatic 36.25 Stainless Steel / White Gold / Black / Leather Seamaster Diver 300M 36.25 mm White Gold, Stainless Steel Black Automatic 1120 300 m 2001
Omega 2909.50.48 Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Orange / Alligator Short Seamaster Planet Ocean 42 mm Stainless Steel Black Automatic 2500 600 m 2005–2013
Omega 2920.80.91 Seamaster Diver 300M Co-Axial 41 Stainless Steel / Blue / Rubber Seamaster Diver 300M 41 mm Stainless Steel Blue Automatic 2500 300 m 2013
Omega 2954.50.91 Seamaster Diver 300M Automatic 41 Stainless Steel / Black / Leather Seamaster Diver 300M 41 mm Stainless Steel Black Automatic 1120 300 m 2000
Omega 2991.50.91 Seamaster Diver 300M Automatic 41 Titanium / Black Seamaster Diver 300M 41 mm Titanium Black Automatic 1120 300 m
Omega 2991.80.93 Seamaster Diver 300M Automatic 41 Titanium / Blue Seamaster Diver 300M 41 mm Titanium Blue Automatic 1120 300 m
Omega 310.20.42.50.02.001 Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver Speedmaster Moonwatch 42 mm Ceramic, Stainless Steel, Moonshine Gold Silver Manual Winding 3861 50 m 2024
Omega 310.20.42.50.99.001 Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink Speedmaster Moonwatch 42 mm Ceramic, Sedna Gold, Stainless Steel Pink Manual Winding 3861 50 m 2024
Omega 310.23.42.50.02.001 Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver / Alligator Speedmaster Moonwatch 42 mm Ceramic, Stainless Steel, Moonshine Gold Silver Manual Winding 3861 50 m 2024
Omega 310.23.42.50.99.001 Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator Speedmaster Moonwatch 42 mm Ceramic, Sedna Gold, Stainless Steel Pink Manual Winding 3861 50 m 2024
Omega 310.30.42.50.01.001 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Bracelet Speedmaster Moonwatch 42 mm Stainless Steel Black Manual Winding 3861 50 m 2021
Omega 310.30.42.50.01.002 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet Speedmaster Moonwatch 42 mm Stainless Steel Black Manual Winding 3861 50 m 2021
Omega 310.30.42.50.01.003 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman Speedmaster Moonwatch 42 mm Stainless Steel Black Manual Winding 3861 50 m 2023
Omega 310.30.42.50.01.004 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black Lacquer Speedmaster Moonwatch 42 mm Ceramic, Stainless Steel Black Manual Winding 3861 50 m 2026
Omega 310.30.42.50.04.001 Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet Speedmaster Moonwatch 42 mm Stainless Steel White Manual Winding 3861 50 m 2024
Omega 310.32.42.50.01.001 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Fabric Speedmaster Moonwatch 42 mm Stainless Steel Black Manual Winding 3861 50 m 2021
Omega 310.32.42.50.01.002 Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf Speedmaster Moonwatch 42 mm Stainless Steel Black Manual Winding 3861 50 m 2021
Omega 310.32.42.50.02.001 Speedmaster Professional Moonwatch Apollo 13 50th Anniversary Snoopy Speedmaster Moonwatch 42 mm Stainless Steel Silver Manual Winding 3861 50 m 2020
Omega 310.32.42.50.04.001 Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Rubber Speedmaster Moonwatch 42 mm Stainless Steel White Manual Winding 3861 50 m 2024
Omega 310.32.42.50.04.002 Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire Speedmaster Moonwatch 42 mm Stainless Steel White Manual Winding 3861 50 m 2024
Omega 310.55.42.50.02.001 Speedmaster Professional Moonwatch 3861 Canopus Gold - Diamond / Silver / Bracelet Speedmaster Moonwatch 42 mm Canopus Gold Silver Manual Winding 3861 50 m 2023
Omega 310.55.42.50.13.001 Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet Speedmaster Moonwatch 42 mm Sedna Gold Brown Manual Winding 3861 50 m 2023
Omega 310.55.42.50.51.001 Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet Speedmaster Moonwatch 42 mm Sedna Gold Black Manual Winding 3861 50 m 2022
Omega 310.55.42.50.52.001 Speedmaster Professional Moonwatch 3861 Canopus Gold - Ruby / Silver - Ruby / Bracelet Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2022
Omega 310.55.42.50.52.002 Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2022
Omega 310.55.42.50.52.003 Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2022
Omega 310.55.42.50.52.004 Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2022
Omega 310.60.42.50.01.001 Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet Speedmaster Moonwatch 42 mm Sedna Gold Black Manual Winding 3861 50 m 2021
Omega 310.60.42.50.01.002 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Black Lacquer Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Black Manual Winding 3861 50 m 2026
Omega 310.60.42.50.02.001 Speedmaster Professional Moonwatch 3861 Canopus Gold / Silver / Bracelet Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2021
Omega 310.60.42.50.10.001 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green / Bracelet Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Green Manual Winding 3861 50 m 2022
Omega 310.60.42.50.10.002 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green / Bracelet Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Green Manual Winding 3861 50 m 2026
Omega 310.60.42.50.99.002 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Moonshine Gold / Bracelet Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Champagne Manual Winding 3861 50 m 2022
Omega 310.62.42.50.99.001 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Moonshine Gold Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Champagne Manual Winding 3861 50 m 2022
Omega 310.63.42.50.01.001 Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator Speedmaster Moonwatch 42 mm Sedna Gold Black Manual Winding 3861 50 m 2021
Omega 310.63.42.50.02.001 Speedmaster Professional Moonwatch 3861 Canopus Gold / Silver / Alligator Speedmaster Moonwatch 42 mm White Gold Silver Manual Winding 3861 50 m 2021
Omega 310.63.42.50.10.001 Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green Speedmaster Moonwatch 42 mm Ceramic, Moonshine Gold Green Manual Winding 3861 50 m 2022
Omega 311.90.42.30.99.002 Speedmaster Professional Moonwatch 321 Platinum / Black / Bracelet Speedmaster Moonwatch 42 mm Ceramic, Platinum Black Manual Winding 321 B 50 m 2025
Omega 318.90.42.79.01.001 Speedmaster X-33 Titanium / Bracelet / Military X-33 / Z-33 42 mm Titanium Black Quartz 1666 30 m 2006–2010
Omega 318.90.45.79.01.003 Speedmaster X-33 Marstimer Titanium / Black / Bracelet X-33 / Z-33 45 mm Titanium, Aluminium Black 5622 30 m 2022
Omega 318.92.42.79.01.001 Speedmaster X-33 Titanium / Kevlar / Military X-33 / Z-33 42 mm Titanium Black Quartz 1666 30 m 2006–2010