Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel Case - Unidirectional Bezel - Black Ceramic Dial - 210.30.42.20.01.001 Royal Oak Chronograph 2mm Case Shape Round Case

2mm Case Shape Round Case Back Transparent Case Detail Refer to Description Crown Screw Down Movement Automatic Dial Type Analog Bracelet Alligator Leather Strap Band Material Leather Clasp Fold-Over Clasp Water Resistance None Gender Men's

43 mm thick

one black satin strap and one pearl gray satin strap

caliber 3603 self-winding movement with chronometer and 2nd time zone through 24 hour hand

local and home day/night indication in apertures

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel Case - Unidirectional Bezel - Black Ceramic Dial - 210.30.42.20.01.001 Royal Oak Chronograph 2mm Case Shape Round Case42 mm stainless steel case with helium escape valve, transparent back, unidirectional rotating bezel with a white enamel diving scale, domed scratch resistant sapphire crystal anti reflective treatment on both sides, polished black ceramic dial with laser engraved waves and a date window at 6 oclock, Caliber Omega 8800 self winding movement with co axial escapement, chronometer, date, approximately 55 hours of power reserve, stainless steel bracelet.