Features: resin case bio-based resin strap quartz movement mineral crystal light green dial analog digital display shock resistant neobrite dual time 1/100-second stopwatch countdown timer 5 daily alarms hourly time signal double led light full auto-calendar button operation tone on/off hand shift feature regular timekeeping 12/24 hours display luminous hands month, day and date display screwed case back buckle clasp 100m water resistance approximate case diameter: 41.8mm approximate case thickness: 13.9mm