- Accuracy: ± 20 seconds per month
- Approx. battery life: 2 years on SR621SW
- Size of case/total
weight
SHN-113 …............... 33.9 x 25.0 x 8.2 mm / 63 g
SHN-114 ...............… 35.3 x 25.0 x 8.2 mm / 71 g
SHN-115 …............... 33.0 x 25.0 x 8.9 mm / 61 g
SHN-116 ..............… 33.0 x 25.0 x 8.7 mm / 65 g