LumiBrite: Lumibrite on hands and indexes CONTACT OUR SALES TEAM (905) 458-5588 FOR INFORMATION REGARDING OUR PRICE MATCH GUARANTEE Case Material: Titanium (super-hard coating) Crystal Coating: Super-clear coating Clasp: Three-fold clasp with push button release Water Resistance: 20 bar Crystal: Dual-curved sapphire crystal Duration: Operating for approx. 6 months (when fully charged), power save: approx. 2 years Caliber Number: 5X53 Movement Type: GPS solar Accuracy: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )