ETA SA T-SA-IT10

The T-SA-IT10 is an automatic movement manufactured by ETA SA. Measuring 31mm in diameter, it is a skeletonized 3-hander with no date complication, featuring time-setting only when the crown is pulled out one click. The movement is based on the Chinese Seagull ST1601K but carries a Swiss Made designation. Unlike the related IT12, which is a solid movement not suitable for skeleton dials, the IT10 is specifically designed for skeleton dial watches. It has been used in Thomas Earnshaw and Arbutus watches.