Product Description
Material & Measurements
Model:	L3.781.3.78.7
Manufacturer:	Longines
Series:	HydroConquest
Type:	Men's watch, Dress / Sport
Diameter:	Ø 41 mm
Thickness:	11.9 mm
Weight:	184.2 grams
Case:	Brushed/polished steel
Back case rear:	Solid
Bracelet:	Brushed and polished steel
Dial:	Grey with luminescent markers arabic numerals and index markings, luminescent hands
Buckle:	Folding clasp made of steel
Glass:	Scratch-proof sapphire crystal
Bezel:	Ceramic, black
Movement & Functions
Movement type:	Automatic winding
Seconds hand:	Floating
Movement:	With 21 jewels, 25200 vph
Power reserve:	72 hours
Date:	Date
Water protection:	30 ATM 
Other:	Screw down crown