39.5 mm 18K white gold case, domed scratch-resistant sapphire crystal with anti-reflective treatment inside, white dial with blued Roman numerals and index hour markers, self-winding chronometer Omega 2500 movement with Co-Axial Escapement, approximately 48 hours of power reserve, black leather strap. Water resistant to 100 m.
39.5 mm 18K white gold case, bezel is in 18K white gold, scratch-resistant sapphire crystal anti-reflective treatment inside, white enamel dial with Anthracite Arabic numeral hour-markers, apart from the 12 which is picked out in bold red, Caliber Omega 2500 self winding movement with rhodium-plated finish, chronometer, date, approximately 48 hours of power reserve, grey leather strap. Water resistant to 3 bar (30 metres / 100 feet).