- Mineral Glass / Water Resistant
- Case / Bezel Material: Ion Plated / Stainless Steel Band /
- One-touch 3-fold Clasp
- Regular timekeeping
- Analog: 3 hands (hour, minute, second)
- Accuracy: ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????20 seconds per month
- Approx. battery life: 3 years on SR521SW
- Size of case:31.7?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????a????????????????????????????17.7?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????a????????????????????????????6.5mm
- Total weight: 70 g