Features: bio-based resin case bio-based resin strap solar powered caliber: 3553 mineral crystal black dial digital display shock resistant mud resistant carbon core guard structure world time digital compass 5 daily alarms 1/100-second stopwatch countdown timer full auto-calendar button operation tone on/off hand shift feature battery level indicator regular timekeeping 12/24 hours display month, day and date display screwed case back buckle clasp 200m water resistance approximate case diameter: 52.7mm approximate case thickness: 14.8mm approximate lug width: 22mm