Module No. 2718

Date display Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR621SW Size of case / total weight SHN-122..................... 30.0 x 26.7 x 8.9 mm / 61 g SHN-122SG................ 30.0 x 26.7 x 8.9 mm / 61 g