Casio General x Analog ft. Moon Phase Men Casual Formal Round 50m Water Resistant Watch MTP-M100D-1A MTPM100D MTPM100 MTP-M100 MTP-M100D Experience precision and style with this timepiece, featuring a remarkable 3-year battery life and accurate timekeeping. The mineral crystal lens and stainless steel case with metal band exude sophistication, while the 50m water resistance and moon phase display make it perfect for any occasion. Module / Movement 5722 (quartz) Battery Life / Accuracy Approximately 3 years (+/-20 seconds per month) Crystal Mineral crystal Luminous Nil Case / Band Material Stainless steel case with metal band (three-fold clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 9.6 mm Diameter: 42.5 mm Length: 48.4 mm Other Specifications Casio General x Analog ft. Moon Phase Moon phase display Regular timekeeping (analog display)