The Elgin 153 is a manual-wind chronograph watch movement often signed as 210. It features a 60-second chronograph and a 30-minute chronograph that is cam-switched. The movement also includes a sub second function and a big date, which can be set using a pusher at 8 o'clock. Additionally, it incorporates a calendar function. The Elgin 153 movement was commonly used during the period around 1955.