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Longines L2.673.4.78.3 Automatic Watch

The Longines Master Collection Chronograph Calendar L2.673.4.78.3 "L26734783" is a 40mm men's automatic watch with a stainless steel case and a white analog dial protected by sapphire crystal. It uses a L678 caliber self-winding mechanical movement that can be manually wound and hacked (the second hand stops when the crown is pulled out). It ticks 8 times per second which gives the second hand a smoother movement than a quartz watch which ticks once per second. The watch should run for up to 46 hours when fully wound and will self-wind when moved.

Model nr. L2.673.4.78.3
Brand Longines
Gender Men's
Type Automatic
Caliber L678
Beats per Hour 28,800 bph
Manual Winding Yes
Hacking Yes
Power Reserve 46 Hours
Crown Position 03:00
Case Width (mm) 40
Case Thickness (mm) 14
Case Shape Round
Case Material Stainless Steel
Crystal Material Sapphire
Water Resistance (meters) 30
Moonphase Yes
Day Window Yes
Time Types Hours, Minutes, Seconds
Band Material Leather
Band Color Black
Replaceable Band Yes
Band Width (mm) 20
Dial Color White
Hour Markings Arabic Numerals
Bezel Function Fixed
Bezel Material Stainless Steel
Bezel Color Silver
Inner Bezel
Inner Bezel Color White
On Inner Bezel Minute Numbering, Bars
Hand Colors
Hour Hand Blue
Minute Hand Blue