Hanger movement Time keeping: +/-1sec/day at 1.5v,23 degree Celsius Make the clock structure simple and easy to assemble Hanger Movement Item Number: E78SHSize: 56x56x16. 2mm Weight: 25g Crystal Frequency: 32, 768KHz Accuracy: (A)+/- 0. 5 sec/day at 1. 5v, 23C (B)+/- 1. 0 sec/day at 1. 5v, 23C (C)+/- 2. 0 sec/day at 1. 5v, 23C Battery: AA size (IEC R6) 1 piece Battery Life: 12 months Operating ...