Brand: Longines

Bezel: stainless steel

Code: L3.637.4.70.6

Gender: Mens

Case Material: stainless steel

Dial Color: white

Movement: Quartz

Bracelet: black leather strap

Clasp: Deployment buckle strap

Crystal: scratch resistant sapphire crystal

Case Size: 44mm

ItemVariations: L3.637.4.70.6

Water Resistant: 50 meters(??160 feet)

Case: Round, in stainless steel with scratch-resistant sapphire crystal, with a single layer of anti-reflective coating on the underside; black aluminium bezel with double tachymeter scale (Km/h ?C MPH); transparent case-back with sapphire crystal. Diameter: 44 mm. Water-resistant to 50 metres (~ 160 feet).

Movement: L686 self-winding mechanical movement beating at 28,800 vibrations per hour and providing 46 hours of power reserve.

Functions: Hours, minutes, small seconds at 9 o'clock. Chronograph mechanism: central 60 seconds, 30 minutes counter at 12 o'clock and 12 hour counter at 6 o'clock. Date at 3 o'clock. 24 hours hand with time-zones mechanism.

Dial: Silver "sunray" with big "12" at 12 o'clock and 10 applie indices. 24 hours scale. Silvered hands with Superluminova luminescent material. Black 24 hours hand with red and Superluminova luminescent materil arrow.

Bracelet:black leather braclelet with triple safety folding clasp and push-piece opening mechanism.