Watches with a 20 mm lug width

Reference Collection Case Dial Movement Water resistance Produced
Seiko SPB381 Prospex Prospex 42 mm Stainless steel (Bezel: Stainless steel with ceramic display) Automatic 6R54 200 m
Seiko SPB383 Prospex Prospex 42 mm Stainless steel (Bezel: Stainless steel with ceramic display) Automatic 6R54 200 m
Seiko SPB403 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB405 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB445 Classic Series Presage 40.6 mm Stainless steel (super hard coating) Automatic 6R5H 100 m
Seiko SPB447 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R54 100 m
Seiko SPB451 Prospex Prospex 40 mm Stainless steel Automatic 6R55 300 m
Seiko SPB453 Prospex Prospex 40 mm Stainless steel Automatic 6R55 300 m
Seiko SPB463 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB465 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB467 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB469 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R5J 100 m
Seiko SPB471 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R5J 100 m
Seiko SPB478 Classic Series Presage 40.2 mm Stainless steel Automatic 6R55 100 m
Seiko SPB480 Classic Series Presage 40.2 mm Stainless steel Automatic 6R5J 100 m
Seiko SPB481 Prospex Prospex 41.3 mm Stainless steel Automatic 6R55 300 m
Seiko SPB483 Prospex Prospex 41.3 mm Stainless steel Automatic 6R55 300 m
Seiko SPB485 Prospex Prospex 41.3 mm Stainless steel Automatic 6R55 300 m
Seiko SPB495 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R5H 100 m
Seiko SPB497 Classic Series Presage 40.6 mm Stainless steel (super hard coating) Automatic 6R51 100 m
Seiko SPB499 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R5H 100 m
Seiko SPB501 Prospex Prospex 40 mm Stainless steel Automatic 6R55 300 m
Seiko SPB503 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB505 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB507 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB513 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB515 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB517 Prospex Prospex 39.5 mm Stainless steel (super hard coating) Automatic 6R55 200 m
Seiko SPB519 Prospex Prospex 42 mm Stainless steel (Bezel: Stainless steel with ceramic display) Automatic 6R54 300 m
Seiko SPB525 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R55 100 m
Seiko SPB527 Classic Series Presage 40.2 mm Stainless steel (super hard coating) Automatic 6R5J 100 m
Seiko SPB529 Classic Series Presage 40.2 mm Stainless steel Automatic 6R55 100 m
Seiko SPB534 Prospex Prospex 42 mm Stainless steel with ceramic bezel Automatic 6R54 300 m
Seiko SPB537 Classic Series Presage 35.9 mm Stainless steel (super hard coating) Automatic 6R5H 50 m
Seiko SPB545 Prospex Prospex 40 mm Stainless steel Automatic 6R55 300 m
Seiko SRG009 SEIKO SRG009 Kinetic Watch Seiko Kinetic 41 mm Stainless Steel Black Kinetic Quartz 5D22 100 m
Seiko SRG012 SEIKO SRG012 Kinetic Watch Seiko Kinetic 41 mm Stainless Steel Black Kinetic Quartz 5D22 100 m
Seiko SRG013 SEIKO SRG013 Kinetic Watch Seiko Kinetic 41 mm Stainless Steel White Kinetic Quartz 5D22 100 m
Seiko SRG016 SEIKO SRG016 Kinetic Watch Seiko Kinetic 41 mm Stainless Steel Brown Kinetic Quartz 5D22 100 m
Seiko SRG017 SEIKO SRG017 Kinetic Watch Seiko Kinetic 44 mm Stainless Steel Blue Kinetic Quartz 5D22 100 m
Seiko SRG019 SEIKO SRG019 Kinetic Watch Seiko Kinetic 44 mm Stainless Steel Black Kinetic Quartz 5D22 100 m
Seiko SRG021 SEIKO SRG021 Kinetic Watch Seiko Kinetic 44 mm Stainless Steel Gray Kinetic Quartz 5D22 100 m
Seiko SRH001 SEIKO SRH001 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Silver Kinetic Quartz 5D44 100 m
Seiko SRH003 SEIKO SRH003 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Blue Kinetic Quartz 5D44 100 m
Seiko SRH005 SEIKO SRH005 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Black Kinetic Quartz 5D44 100 m
Seiko SRH006 SEIKO SRH006 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Black Kinetic Quartz 5D44 100 m
Seiko SRH007 SEIKO SRH007 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Silver Kinetic Quartz 5D44 100 m
Seiko SRH009 SEIKO SRH009 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Black Kinetic Quartz 5D44 100 m
Seiko SRH011 SEIKO SRH011 Kinetic Watch Seiko Kinetic 43 mm Stainless Steel Brown Kinetic Quartz 5D44 100 m
Seiko SRH019 SEIKO SRH019 Kinetic Watch Seiko Kinetic 46 mm Stainless Steel Black, Gray Kinetic Quartz 5D44 100 m
Seiko SRH020 SEIKO SRH020 Kinetic Watch Seiko Kinetic 46 mm Stainless Steel Brown Kinetic Quartz 5D44 100 m
Seiko SRN001 SEIKO SRN001 Kinetic Watch Seiko Kinetic 40 mm Stainless Steel Silver, White Kinetic Quartz 5M54 100 m
Seiko SRN003 SEIKO SRN003 Kinetic Watch Seiko Kinetic 40 mm Stainless Steel Black Kinetic Quartz 5M54 100 m
Seiko SRN004 SEIKO SRN004 Kinetic Watch Seiko Kinetic 40 mm Stainless Steel Silver, White Kinetic Quartz 5M54 100 m
Seiko SRN005 SEIKO SRN005 Kinetic Watch Seiko Kinetic 40 mm Stainless Steel Black Kinetic Quartz 5M54 100 m
Seiko SRN021 SEIKO SRN021 Kinetic Watch Seiko Kinetic 42 mm Stainless Steel Black Kinetic Quartz 5M54 100 m
Seiko SRN023 SEIKO SRN023 Kinetic Watch Seiko Kinetic 42 mm Stainless Steel Black Kinetic Quartz 5M54 100 m
Seiko SRP207 SEIKO Diver SRP207 Automatic Watch Seiko Diver 42 mm Stainless Steel Black Automatic 4R36 100 m
Seiko SRP269 SEIKO 5 SRP269 Automatic Watch Seiko 5 40 mm Stainless Steel Black Automatic 4R36 100 m
Seiko SRP295 SEIKO Diver SRP295 Automatic Watch Seiko Diver 40 mm Stainless Steel Silver Automatic 4R36 100 m
Seiko SRP299 SEIKO Diver SRP299 Automatic Watch Seiko Diver 40 mm Stainless Steel Gray Automatic 4R36 100 m
Seiko SRP305 SEIKO 5 SRP305 Automatic Watch Seiko 5 40 mm Stainless Steel Red Automatic 4R36 100 m
Seiko SRP307 SEIKO Diver SRP307 Automatic Watch Seiko Diver 42 mm Stainless Steel Black Automatic 4R36 200 m
Seiko SRP313 SEIKO Diver SRP313 Automatic Watch Seiko Diver 42 mm Stainless Steel Black Automatic 4R36 200 m
Seiko SRP319 SEIKO Diver SRP319 Automatic Watch Seiko Diver 43 mm Stainless Steel Black Automatic 4R36 200 m
Seiko SRP321 SEIKO 5 SRP321 Automatic Watch Seiko 5 40 mm Stainless Steel Black Automatic 4R36 100 m
Seiko SRP381 SEIKO 5 SRP381 Automatic Watch Seiko 5 42 mm Stainless Steel Blue Automatic 4R36 100 m
Seiko SRP503 SEIKO 5 SRP503 Automatic Watch Seiko 5 40 mm Stainless Steel Orange Automatic 4R36 100 m
Seiko SRP505 SEIKO 5 SRP505 Automatic Watch Seiko 5 40 mm Stainless Steel Black Automatic 4R36 100 m
Seiko SRPB41 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPB43 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPB46 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPB77 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPD37 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPD51K2 5 Sports Sports Style Stainless Steel / Blue / NATO 5 Sports 42.5 mm Stainless Steel Blue Automatic 4R36 100 m 2019
Seiko SRPD55K3 5 Sports Sports Style Stainless Steel / Black / NATO 5 Sports 42.5 mm Stainless Steel Black Automatic 4R36 100 m 2019
Seiko SRPE15 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPE19 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPE27 Online Store Prospex 42.4 mm Stainless steel Automatic 4R36 200 m
Seiko SRPE41 Presage Presage 38.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPE43 Presage Presage 38.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPE45 Presage Presage 38.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPE57 SKX series 5 Sports 40 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG03 Presage Presage 40.8 mm Stainless steel Automatic 4R35 50 m
Seiko SRPG23 Presage Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPG27 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG29 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG31 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG35 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG37 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG39 Field series 5 Sports 39.4 mm Stainless steel Automatic 4R36 100 m
Seiko SRPG41 Field series 5 Sports 39.4 mm Stainless steel (hard coating) Automatic 4R36 100 m
Seiko SRPG57 Online Store Prospex 42.4 mm Stainless steel Automatic 4R36 200 m
Seiko SRPH33 Field series 5 Sports 39.4 mm Stainless steel (hard coating) Automatic 4R36 100 m
Seiko SRPH87 Online Store Seiko 41.2 mm Automatic 4R35 100 m
Seiko SRPH89 Online Store Seiko 41.2 mm Automatic 4R35 100 m
Seiko SRPJ13 Online Store Presage 39.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPJ17 Online Store Presage 39.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPK15 Online Store Presage 40.5 mm Stainless steel Automatic 4R35 50 m
Seiko SRPK29 SKX series 5 Sports 38 mm Stainless steel Automatic 4R36 100 m