Breitling Transocean Chronograph Watch - Steel - Black Dial - Blue Croco Strap - Tang Buckle - AB015212/BA99/731P/A20BA.143. 00 mm steel case, 14. 35 mm thick, transparent sapphire crystal back, non screw locked crown with two gaskets, convex sapphire crystal with glareproof treatment on both sides, black dial, Breitling 01 (Manufacture) self winding movement, approximately 70 hrs of power reserve, blue croco strap, tang buckle. Water resistant to 100 m (330 ft).

The innovative design showcases luminescent hour markers and hands

sand-blasted blue dial with 18K Sedna gold hands coated with vintage Super-LumiNova

Its scratch-resistant sapphire crystal and 100 meters water resistance guarantee durability

sapphire dial with black and white transfer counters

Calibre RM21-02

beaded crown set with a blue synthetic cabochon-shaped spinel

The 40mm case

retrograde moon-phase hand in the form of a lunar crescent in blued steel

24h indicator at 9 o'clock

see-through sapphire crystal back

25 mm x 21 mm rhodiumized 18K white gold case set with brilliant-cut diamonds

self-winding mechanical movement