27 mm 18K red gold case, transparent back, diamond bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, white mother-of-pearl dial with 126 single-cut diamonds arranged in the shape of quarter moons, self-winding chronometer Omega 8421 movement with Co-Axial Escapement and seconds, approximately 50 hours of power reserve, 18K red gold bracelet. Water resistant to 100 m.