Duration Operating for approx. 10 months (when fully charged)
Exterior Case Material Stainless steel
Crystal Sapphire crystal
LumiBrite Lumibrite on hands, indexes and bezel
Clasp Three-fold clasp with secure lock , push button release with extender
Other Details Water Resistance 200m / 660ft diver's
Case Size Thickness: 10.6 Diameter: 38.5 cm Length: 46.5cm Weight 149.0 g Bracelet Length 205 ㎜ Other Specifications Screw case back Screw-down crown Three-fold clasp with secure lock Unidirectional rotating bezel Other Features Date display Overcharge prevention function Quick-start function