Swan's neck fine regulation
A. Lange & Söhne calibre L931.3 with Swan's neck fine regulation
© Lange Uhren GmbH
Swan's neck fine regulation is a regulating device, consisting of a swan neck-shaped steel spring, a regulator and an adjustment screw. By turning the screw, the rate of watch can be regulated in very fine steps.
swan_s_neck_fine_regulation.txt · Last modified: 03.07.2022 15:38 by 127.0.0.1