Citizen Eco-Drive x Analog ft. Radio-Controlled aka Moon Phase Men Formal Round 100m Water Resistant Watch BY1030-50L BY1030 BY-1030 Experience stargazing precision with the Citizen Eco-Drive Moon Phase series. This advanced watch features a solar-powered movement, a perpetual calendar, and an automatic moon phase display for the northern and southern hemispheres, all within a classic 42mm stainless steel case with a sapphire crystal. Caliber Number / Movement H874 (Eco-Drive aka solar powered) Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month without reception) Crystal Sapphire crystal Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 10.7 mm Diameter: 42.0 mm Length: 47.6 mm Lug width: 21.0 mm Other Specifications Citizen Eco-Drive x Analog ft. Radio-Controlled aka Moonphase Summer time (automatic / manual switching) World time function (24 time zones) Perpetual calendar (to 28 February 2100) Moon phase display (automatic calculation) Moon phase display switching function (Northern or Southern Hemisphere) Power reserve indicator Overcharge prevention function Insufficient charge warning function Power saving function (hands stop to save power when left in the dark) Automatic hand position alignment function Day, date and 24-hour display Regular timekeeping (analog display) Global Radio-Controlled Function Receiving time signal (automatic, on demand, auto recovery) Signal stations: Japan (East/West) / USA / Germany / China Automatic signal station selection function (for Japan standard signals only) Confirming reception status (RX) Indicating the result of last reception (OK/NO)
