remontoire

Example:Unlike modern watches, this antique pocket watch used an uncompensated mechanism, making it less accurate when the mainspring was being wound.

Definition:A timekeeping device lacking a mechanism to correct for inconsistencies, such as times when the mainspring is being wound or running down.

Example:The non-regulating system of the old grandfather clock made it less accurate during the intervals when the mainspring was re-wound.

Definition:A system that does not regulate or correct for inconsistencies in timekeeping, often found in older or simpler timepieces.