Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Diamond Bezel - Black Dial - Black Leather Strap - 215.18.40.20.01.00139. 5 mm stainless steel case with helium escape valve, transparent screw in back, screw in crown, unidirectional rotating bezel set with diamonds, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black 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, black leather strap with rubber

41 mm composite resin case with genuine turquoise linen

Water resistant to 3 bar (approx 30 meters/330 feet)

ensures precise timekeeping and boasts a commendable 48-hour power reserve

28 mm stainless steel case

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

black ceramic bezel and crown

natural mother-of-pearl dial

pink gold royal oak hands with luminescent coating

it epitomizes accuracy while maintaining its exquisite aesthetic

fluted crown with a synthetic cabochon-shaped spinel

self-winding mechanical movement

calibre 1376 quartz movement with rhodium-plated finish