Longines GrandeVitesse Mens L3.636.4.60.6

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 – MPH); transparent case-back with sapphire crystal. Diameter: 42 mm. Water-resistant to 50 metres (~ 160 feet).

Movement: L667 self-winding mechanical movement beating at 28,800 vibrations per hour and providing 46 hours of power reserve.

Functions: Hours, minutes, small seconds at 6 o'clock. Chronograph mechanism: central 60 seconds, 30 minutes counter at 12 o'clock and 12 hour counter at 9 o'clock. Date at 3 o'clock.

Dial: Brown with big "12" at 12 o'clock and 11 painted indices. Silvered hands with Superluminova luminescent material.

Bracelet: Stainless steel bracelet with triple safety folding clasp and push-piece opening mechanism.