Tech specifications and features
General characteristics Type: mechanical with automatic winding (number of stones: 25), male; Mechanism: L667; Dial type: analog (arrows), 12/24 hours format, second hand offset; Figures: Arab; Source of energy: a spring-loaded mechanism; Design Waterproof: yes, WR50 (5 ATM); Housing material: stainless. steel + aluminum; Material bracelet/strap: leather; Glass: sapphire crystal with anti-reflective coating; Dimensions: 44x14.3 mm; Features Chronograph: yes; Tachometer: yes; Date display: number; Sports options: stopwatch; Additional functions: second time zone; Backlight: arrows; Additional information: transparent back cover; power reserve of 46 hours;
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Product photography
Longines L3.637.4.50.0 pictures
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