SPECS: Movement: Caliber Number: 8T63 Movement Type: Quartz Accuracy: ±15 seconds per month Functions: 24-hour hand Small seconds hand Chronograph up to 60 minutes in 1/5-second increments Date display Case: Case Material: Stainless Steel Thickness: 11.5mm Diameter: 40.0mm Length: 45.8mm Crystal: Sapphire Crystal Clasp: Three-fold clasp with push-button release Lug Width: 20mm Other details Water resistance: 10 bar Magnetic resistance: 4,800 A/m Weight: 152.0 g Features: Screw-down case back Warranty: 1 Year Seller's warranty