Product Description The TAURISH Early Chelsea Batwing Reproduction Clock Key is a precision-crafted solid brass replacement winding key designed for compatible Early Chelsea-style marine and ship clock movements. Manufactured with a durable polished brass finish, it is an excellent choice for antique clock restoration, vintage clock repair, and horology projects. This reproduction key provides reliable winding performance while maintaining the authentic appearance of classic nautical and maritime timepieces. Suitable for replacing lost, damaged, or worn winding keys, it is intended for collectors, restorers, clockmakers, and enthusiasts working with compatible key-wound mechanical clocks. Please verify your existing key dimensions and clock movement compatibility before ordering.