- Retrograde chronograph
- Bold design
- Stopwatch
- 100-meter water resistance
- Date display
- Green ion plated bezel (EFR-571DC-1AV)
- Black ion plated case and band (EFR-571DC)
Specifications
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Clasp
- Mineral Glass
- Screw Lock Back
- Black ion plated case
- Black ion plated band
- Green ion plated bezel
- 100-meter water resistance
- 1-second stopwatch
Measuring capacity: 9'59 - Date display
- Regular timekeeping
Analog: 3 hands (hour, minute, second),
3 dials (stopwatch minutes, stopwatch seconds, 24-hour) - Accuracy: ±20 seconds per month
- Approx. battery life: 3 years on SR920SW
Size of case / Total weight
- Size of case : 51×47.1×11.3mm
- Total weight : 146g