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 Havana while eight diamond indexes have

while eight diamond indexes have been combined with rhodium plated Roman numerals

Rolex calibre 2236 perpetual self-winding movement with date at 3 o'clock

New design introduced at Baselworld 2010

self-winding chronometer Omega 8520 movement with Co-Axial Escapement

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 Havana while eight diamond indexes have27 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).