This Omega is 39 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 blue dial with Pie Pan design, caliber 8900 self-winding Co-Axial master chronometer movement with date function, approximately 60 hours of power reserve, stainless steel and Sedna gold bracelet with slightly curved center links. Water resistant to 100 m (330 ft).