Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional White Cermaic Bezel - White Dial - 215.30.40.20.04.001 Fully 30 Meters / 100 feet

30 Meters / 100 feet water resistance

while the screw-down crown ensures water resistance up to 100 meters

polished black ceramic dial with laser-engraved waves and a date window at 6 o’clock

bidirectional rotatable 60-minute graduated bezel with matt black Cerachrom insert in ceramic

from the case to the matching Rolex President bracelet

Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional White Cermaic Bezel - White Dial - 215.30.40.20.04.001 Fully 30 Meters / 100 feet39. 5 mm stainless steel case with helium escape valve, transparent screw in back, screw in crown, unidirectional rotating white cermaic bezel with Ceragold diving scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white 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