Dial diameter: 36 mm, 904L stainless steel monobloc middle case, screw-down case back and winding crown. Double lock double waterproof system. Scratch-resistant sapphire crystal, water-resistant to 100 meters/330 feet. Self-winding movement, functions: central hours, minutes and seconds. Instant date for quick setting, power reserve 70 hours. Bracelet: Oyster, flat three-piece links. Clasp Type: Folding Oysterlock with Easylink 5 mm Comfort Extension.