41 mm stainless steel case, transparent back, domed scratch-resistant sapphire crystal anti-reflective treatment on both sides, unique two-zone opaline-silver dial that delivers an instant impression of refinement, Caliber Omega 8902 self winding movement with co-axial escapement, annual calendar, chronometer, approximately 55 hours of power reserve, stainless steel bracelet. Water resistant to 10 bar (100 metres / 330 feet).