The dramatic and enduring design of the OMEGA Constellation is characterized by its famous halfmoons claws on the case and monorang bracelet This 25 mm 18K yellow gold and stainless steel model features a bezel engraved with Roman numerals white mother-of-pearl dial and scratch resistant sapphire crystal The hands OMEGA logo Constellation star and indexes are also in 18K yellow gold At the heart of this timepiece is the OMEGA Calibre 4061 while the caseback is stamped with the Constellation Observatory medallion