This radio-controlled timepiece automatically updates to correct time while the Eco-Drive technology harnesses the power of any light source so it never needs a new battery. Tsuki-yomi A-T from Citizen. Style #BY1010-57L
Movement: three-hand quartz
Case: round; 43mm; sapphire crystal
Strap: silver-tone titanium bracelet
Closure: deployant clasp
Dial: blue moon chronograph with date window
Water resistant: to 100 meters
Powered by Eco-Drive, harnessing both natural and artificial light, never needing a battery.
Functions: moonphase, world time in 24 time zones, radio control, perpetual calendar, day-date
Warranty: 5-year limited
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This item cannot be shipped to American Samoa, Guam, Marshall Islands, U.S. Virgin Islands, Puerto Rico, Palau or the Pacific Islands
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