Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Other: Auto-repeat Alarm/hourly time signal Hourly time signal Multi-function alarm Flash alert feature Flash alert Flashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm Light LED backlight (Super Illuminator) Afterglow LED:White Calendar Full auto-calendar (to year 2099) Case and bezel material- Resin Stainless Steel / Resin Composite Band Solid Band One-touch 3-fold Clasp 200-meter water resistance Power supply and battery life