Blue dial. Dial diameter: 36 mm, 904L stainless steel one-piece middle case. Screw-down case back and winding crown. Screw-in Double Lock Double Water Resistant System Scratch Resistant Sapphire Cyclops Lens, Water Resistant: Water Resistant to 100m/330ft. Movement: perpetual, mechanical, self-winding. Functions: central hours, minutes and seconds. Instant date for quick settings. The power reserve is approximately 70 hours. Clasp Type: Folding Oysterlock with Easylink 5 mm Comfort Extension.