LED: Amber, Case and bezel material: Resin, Measuring unit: 1/10 second, Countdown range: 24 hours, Water resistance to 100 meters, Compatible band size: 150 to 205 mm, Case: Mineral glass / Spherical glass, Approx. battery life: 10 years on CR2025, Stainless steel band, Triple-fold clasp, Regular time display: Digital: Hour, minute, second, pm, month, date, day, 5 daily or one-time alarms, LED light, selectable illumination duration, afterglow, Full auto-calendar to the year 2099, Mute function, Button operation tone on/off, Accuracy: ±30 seconds per month, 12/24-hour format