This Omega is 41 mm stainless steel and 18K Sedna gold case, transparent back, 18K Sedna gold fluted bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sun-brushed grey dial with Pie Pan design, caliber 8922 self-winding Co-Axial master chronometer movement with date and annual calendar functions, approximately 55 hours of power reserve, brown leather strap. Water resistant to 100 m (330 ft).