Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel And Red Gold Case - White -Silvery Diamond Dial - Brushed Steel Bracelet - 127.20.27.20.52.001 135 Crafted with a 40mm yellow

Crafted with a 40mm yellow Rolesor case blending Oystersteel and radiant yellow gold

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

The watch inner case bears watchmakers service marks

Water resistant to 20 m

Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel And Red Gold Case - White -Silvery Diamond Dial - Brushed Steel Bracelet - 127.20.27.20.52.001 135 Crafted with a 40mm yellow27 mm stainless steel and 18K red gold case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white opaline silvery dial with silk like pattern and diamond indexes, caliber 8700 self winding Co Axial master chronometer movement with date function, approximately 50 hours of power reserve, brushed stainless steel bracelet with polished 18K red gold bars. Water resistant to 100 m (330 ft).