Oris Artelier Skeleton Stainless Steel Men’s Watch # 73475914051MB. Silver round skeleton dial with applied indices. Stainless steel case with see-through mineral crystal skeleton case back. Stainless steel metal bracelet with locking clasp. Polished steel bezel. Scratch-resistant sapphire crystal with anti-reflective treatment. Date calendar. Power-reserve 38 hours. Swiss made automatic self-winding movement (Cal. ETA 2824-2). Water resistant to 30m. Approximate case size: 40mm diameter. Approximate case thickness: 10mm.