Features: carbon composite case bio-based resin strap quartz movement mineral crystal yellow dial analog digital display shock resistant carbon core guard structure neobrite world 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 200m water resistance approximate case diameter: 42.9mm approximate case thickness: 11.2mm