Durable mens digital sports watch with rugged black resin case and strap Vibration alarm feature for silent alertsideal for loud environments or discreet reminders Super Illuminator LED backlight provides high visibility in dark or low-light settings 10-year battery life (CR2025) for long-term, low-maintenance performance Water-resistant up to 100 meters suitable for swimming and recreational water activities Includes stopwatch, countdown timer, dual time, 3 daily alarms with snooze, and hourly signal Full auto-calendar (pre-programmed until 2099) and 12/24-hour format Compact, lightweight design: approx. 44.1 × 40.0 × 13.5 mm; weighs about 47g Shock-resistant resin construction for outdoor and athletic use