Crystal: Sapphire crystal LumiBrite: Lumibrite on hands, indexes and bezel Water Resistance: 200m / 660ft diver's Caliber Number: V147 Weight: 149.0g Bracelet Length: 205mm Accuracy: ±15 seconds per month Clasp: Three-fold clasp with secure lock , push button release with extender CONTACT OUR SALES TEAM (905) 458-5588 FOR INFORMATION REGARDING OUR PRICE MATCH GUARANTEE Movement Type: Solar Case Material: Stainless steel Duration: Operating for approx. 10 months (when fully charged)