Features: resin case resin strap solar movement mineral crystal red dial analog digital display tough solar shock resistant double led light 1/100 second stopwatch countdown timer 5 daily alarms hourly time signal full auto calendar day and date display 12/24 hours display am/pm display accuracy: ±15 seconds per month screwed case back buckle clasp 200m water resistance approximate case diameter: 52mm approximate case thickness: 17mm