Breitling Bentley 6.75 Mens Watch A4436212-B7-675 automatic with stainless steel case, black dial, stainless steel bracelet. Caliber: Breitling 44B, movement: selfwinding mechanical, power reserve: Min. 42 hours, chronograph: 1/4th second, 30 minutes, 12 hours, vibration: 28 800 v.p.h., jewel: 38 , jewels, calendar: Dial aperture, case: Stainless steel, 18 K yellow or rose gold, water resistant: 100 m (330 ft), crown: Screw-locked, two gaskets, back (or caseback): Screwed in, crystal: Cambered sapphire, glareproofed both sides, diameter: 48.70 mm. Breitling Bentley 6.75 Mens Watch A4436212-B7-675