Free yourself to focus on life. Get an analog-digital combination timepiece with a 10-year battery you won’t have to worry about for ages. The face design offers enhanced depth and dimensionality for a dynamic, sporty look. Digital inset dials deliver a variety of functions, including world time, 1/100 second stopwatch, and countdown timer. Case size (L× W× H) 51.3 × 46.9 × 13.7 mm Weight 166 g Case and bezel material Stainless steel / Aluminum Band Stainless Steel Band One-touch 3-fold Clasp Water resistance 100-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2025 Glass Mineral Glass Compatible band size 150 to 205 mm World time 29 time zones (30 cities), daylight saving on/off Stopwatch 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Alarm/hourly time signal 3 daily alarms (with 1 snooze alarm) Hourly time signal Calendar Full auto-calendar (to year 2099) Accuracy Accuracy: ±30 seconds per month Other features Telememo Memory capacity: Up to 30 sets of data, with 8-character name and 16-digit telephone number Others: Remaining memory screen, auto-sort 12/24-hour format Regular timekeeping: Analog: 2 hands (hour, minute; hands move every 20 seconds) Digital: Hour, minute, second, am/pm, month, date, day