Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel Case - White -Silvery Dial - 127.10.27.20.02.001 150M 29mm 18K white gold case

29mm 18K white gold case

the screw-down crown and solid case back contribute to the watch's durability

the month and the leap years

5 mm 18K Sedna gold and stainless steel case with anti-magnetic properties and helium escape valve

Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel Case - White -Silvery Dial - 127.10.27.20.02.001 150M 29mm 18K white gold case27 mm stainless steel case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white opaline silvery dial with silk like pattern, red gold index markers, and red gold hands, caliber 8700 self winding Co Axial master chronometer movement with date function, approximately 50 hours of power reserve, brushed stainless steel bracelet with polished stainless steel bars. Water resistant to 100 m (330 ft).