CAL. OMEGA 8800 The extraordinary design of the OMEGA Constellation collection, destined to last over time, is distinguished by the famous half-moons, the “griffes” on the case and the “Mono Rang” bracelets. This 39 mm model in stainless steel and 18K Sedna ™ gold features an engraved Roman numeral bezel, a brown sun-brushed finish dial and a date window at 6 o'clock. The hands, OMEGA logo, Constellation star and the indexes are all in 18K Sedna ™ gold. The timepiece beats to the rhythm of OMEGA's Co-Axial Master Chronometer caliber 8800, visible through the domed scratch-resistant sapphire crystal. Self-winding movement with Co-Axial escapement. METAS approved Master Chronometer certificate, resistant to magnetic fields up to 15,000 gauss. Free-spring balance wheel (without racket) with silicon hairspring, bidirectional automatic winding mechanism. Rhodium-plated finish with exclusive arabesque "Côtes de Genève" motif. 55 hours Power reserve. Automatic winding .