Features: case/bezel material: resin/stainless steel resin strap quartz movement mineral crystal white dial analog digital display led light neobrite shock resistant world time 1/100 second stopwatch countdown timer 5 daily alarms hourly time signal full auto calendar 12/24 hours display accuracy: ±30 seconds per month screwed case back buckle clasp 100m water resistance approximate size of case : 45.1 × 40.3 × 12.4mm