Waltham 750-B-WALTHAM-767

The Waltham 750-B (also known as Waltham 767) is a mechanical movement with a 7 1/2''' (approximately 16.9mm) diameter and anchor escapement. It contains 17 jewels with no shock protection and features a sweep seconds complication. The construction follows the A/HSK/MF configuration. This movement was used in Waltham pocket watches, though production details are not fully documented.