Omega Constellation Co-Axial Master CHRONOMETER Small Seconds Petite Seconde Watch - 27 mm Red Gold Case - White Mother-Of-Pearl Diamond Dial - 127.55.27.20.55.001 1952 black ceramic pushpieces and screw-locked

black ceramic pushpieces and screw-locked crown

caliber CH 29-535 PS manually wound movement with pulsimeter

CROWN Screw Down BEZEL Stainless Steel CALIBER 7124 "50 Years" Oscillating Weight MOVEMENT Automatic HANDS Luminous DIAL COLOR Skeleton DIAL TYPE Analog DIAL MARKERS Openworked BAND MATERIAL Steel CLASP AP Folding Clasp WATER RESISTANCE 50 Meters (165 Feet) GENDER Men's WATCH STYLE Sports Watch

48mm 18K white gold case

Omega Constellation Co-Axial Master CHRONOMETER Small Seconds Petite Seconde Watch - 27 mm Red Gold Case - White Mother-Of-Pearl Diamond Dial - 127.55.27.20.55.001 1952 black ceramic pushpieces and screw-locked27 mm 18K red gold case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, white pearled mother of pearl dial with 10 diamond indexes and a date window at 6 o'clock, Caliber Omega 8705 self winding movement with co axial escapement, chronometer, date, approximately 50 hours of power reserve, red gold bracelet. Water resistant to 10 bar (100 metres 330 feet).