Inspired by 1990s sports design, the face features two bars and a circle at the top that display three different timers ƒ?ª? the 1/20 second stopwatch in a color bar above, the ten-second stopwatch in the bar below, and the one-minute stopwatch in a circular display at the right. These multi-sports watches are always ready to go, with a 10-year battery, water resistance up to 100 meters, LED lighting, countdown timer, and alarm. Case / bezel material: Resin Resin Band Resin Glass 100-meter water resistance LED backlight Afterglow LED:Amber World time 29 time zones (48 cities), city code display, daylight saving on/off Stopwatch: Add time timer for injury timeouts, etc. Measuring unit: 1 second (upper and lower display) Measuring capacities: Upper display: 59'59"; Lower display: 99'59" Measuring modes: Elapsed time, event timer Preset timer Measuring unit: 1 second Preset start times: 10, 12, 15, 20, 25, 30, 35, 40, 45 minutes Timer modes: Elapsed time, auto-repeat *Measurement of elapsed time for up to 60 minutes after the countdown reaches zero Timers Up to nine timers can be preset with separate starting times for timing of intervals. Measuring unit: 1 second Input range: 59'55. (5-second increment and 1-minute increments) Other: Auto-repeat Daily alarm Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: Çï¶Ï30 seconds per month Approx. battery life: 10 years on CR2025 Size of case : 45 _ 42.1 _ 12.5 mm Total weight : 39 g