Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Blue Cermaic Bezel - Blue Dial - 215.30.40.20.03.001 Dark Caliber Omega 8800 self-winding movement

Caliber Omega 8800 self-winding movement with co-axial escapement

nestled within an 18kt Yellow Gold President Men's Watch

No chips on sapphire crystal

SIGNATURE DIAL: Silver with black Roman numerals

Rolex calibre 3235 perpetual self-winding movement with date at 3 o'clock that changes instantaneously at midnight in a few thousandths of a second

Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Blue Cermaic Bezel - Blue Dial - 215.30.40.20.03.001 Dark Caliber Omega 8800 self-winding movement39. 5 mm stainless steel case with helium escape valve, transparent screw in back, screw in crown, unidirectional rotating blue cermaic bezel with Liquidmetal diving scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue dial with Arabic numerals and a date window at the 3 oclock, caliber 8800 self winding Co Axial chronometer movement with date function, approximately 55 hours of power reserve, stainless