's 5250 family of quartz watch movements
The 106-P30 5A is a Swiss-made quartz watch movement from ETA's 5250 family. It is 9.3 x 7.9 mm in size and a thinner profile of only 2.7 mm, making it ideal for dress watches. It features a date module, chrome-plated brass bridges, and a small mainspring for increased accuracy. The movement has a battery life of up to 24 months, a balance wheel frequency of 32,768 Hz, and a maximum deviation of +6/-4 seconds per day. It also features adjustable levers, shock protection, and clean-sweep second hand for improved timekeeping accuracy.