Longines watches127

Case: Round, in stainless steel with scratch-resistant sapphire crystal and a single layer of anti-reflective coating on the underside; black ceramic bezel with tachymeter engraved graduation scale. Screw-down case back and screw-in crown. Diameter: 42 mm. Water-resistant to 10 bar (100 metres).
Movement: L705 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. Date at 6 o'clock. Chronograph mechanism: central 60 seconds, 30 minutes counter at 3 o'clock.
Dial: Black "sunray". Big "12" Arabic numeral and 8 Superluminova luminescent indices. Silvered hands with Superluminova luminescent material.