●Specifications/Functions Case size (length x width x thickness): 45.7 x 40.5 x 11.9 mm
Mass: 41 g
Case/bezel material: Resin (biomass plastic)
Band: Resin band (biomass plastic)
Structure: Shock resistant structure (shock resist)
Waterproof: 20 ATM water resistant
Power supply/battery life: Battery life: Approximately 3 years
Glass: Inorganic glass
Band attachable size: 145-200mm
World Time: World Time: Time display in 48 cities (29 time zones) around the world, with summer time setting function
Moon data: Moon data (moon age/moon shape display)
Tide graph:Tide graph
Stopwatch: Stopwatch (1/100 second, 24 hour meter, 5 second countdown auto start, with split)
Timer: Timer (set unit: 1 minute, maximum set: 24 hours, measures in 1 second increments, auto-repeat, time-up notice function included)
Alarm: 3 multi-alarms (only one with snooze function), time signal
Alarm flash function: Alarm flash function (alarm/hourly signal, timer notice/time up, stopwatch auto start, alarm interlocking light emission)
Light: LED backlight (with super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds))
Light color: LED: White
Calendar: Fully automatic calendar
Operation sound ON/OFF switching function: Operation sound ON/OFF switching function
Accuracy: Average monthly difference: ±15 seconds
Other functions: 12/24 hour display switching ●The built-in battery is for monitor use. ●If the battery runs out, please replace it at your own expense. ●New item, warranty, box, instruction manual overseas (Japanese copy included)