The dramatic and enduring design of the OMEGA Constellation is characterised by its famous half-moons, “claws” on the case and mono-rang bracelet. This 25 mm stainless steel model features a bezel engraved with Roman numerals, cream silvery dial with silk-like pattern and scratch-resistant saphire crystal. The hands, OMEGA logo, Constellation star and diamond holders are in 18K Sedna™ gold. At the heart of this timepiece is the OMEGA Calibre 4061, while the caseback is stamped with the Constellation Observatory medallion. Calibre Omega 4061: Quartz movement with \"Long Life\" feature to maximize the autonomy of the battery. Exclusive red OMEGA logo with rhodium plated parts and circular graining. FEATURESDiamonds: The hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color. TECHNICAL DATABetween lugs15. 9mm Bracelet Steel Case diameter25mm Dial colour Silver Crystal Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides Water resistance30 Metres