The Bulova C870042 watch movement is equipped with an alarm function, allowing the watch to emit an audible signal at a set time. Additionally, it features an 8-day calendar, providing a display of the current date and month for extended periods without the need for manual adjustment. Specifically designed for clocks, this movement is compatible with larger timepieces and offers optimal performance. It is wound by key, enabling manual winding to ensure accurate timekeeping.