Features: case/bezel material: stainless steel stainless steel bracelet quartz movement mineral crystal black dial analog display chronograph function 1/10-second stopwatch regular timekeeping accuracy: ±20 seconds per month 12/24 hours display luminous hands and indexes date display screwed case back three fold clasp with push button release 100m water resistance approximate size of case : 48.5 × 43.8 × 11.6mm