●Band: Resin band ●Length: 145-205mm/26.3mm ●Case size: 53.2×50.0×18.7mm ●Mass: 67g ●Shock-resistant structure ●20 ATM waterproof function ●Stopwatch (1/100 seconds (00'00"00 to 59'59"99)/1 second (1:00'00" to 23:59'59"), 24 hour total, with split) ●Timer (set unit: 1 second, maximum set: 24 hours, measures in 1 second units, auto repeat) ●Multi-alarm/time signal ●Full auto calendar ●12/24 hour display switching ●LED backlight (super illuminator, with afterglow function) -Sound flash function (alarm/hourly signal/timer linked light emission) ●Battery life approximately 5 years