Oris Artelier Date Men’s Watch # 73375914054MB. Black round guilloche dial with applied indices. Stainless steel case with see-through 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. Automatic self-winding movement (Cal. ETA 2824-2). Water resistant to 30m. Approximate Case size: 40mm diameter. Model Number: 733 7591 40 54 MB 733-7591-40-54-MB.