Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel And Yellow Gold Case - White -Silvery Diamond Dial - Brushed Steel Bracelet - 127.20.27.20.52.002 Extra-Thin self-winding chronometer Omega 8401 movement

self-winding chronometer Omega 8401 movement with Co-Axial Escapement and seconds

this model features a black and gray dial with a fabric strap

beige dial with Grande Tapisserie pattern

steel pin buckle

Omega Constellation Co-Axial Master Chronometer Watch - 27 mm Steel And Yellow Gold Case - White -Silvery Diamond Dial - Brushed Steel Bracelet - 127.20.27.20.52.002 Extra-Thin self-winding chronometer Omega 8401 movement27 mm stainless steel and 18K yellow 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 yellow gold bars. Water resistant to 100 m (330 ft).