Rolex Bubbleback 620-630-645 Balance Wheel

Description

This balance wheel is designed for the Rolex Bubbleback 620 movement from around 1930, offering a precise component for watch restoration. It features a 9mm diameter balance ring and requires modification of the hairspring for proper installation. Ideal for vintage watch enthusiasts and collectors looking to maintain or repair classic timepieces.

This description was freely adapted from the brand's original information. While we do our best, we cannot guarantee absolute accuracy. Please refer to the official Ebay product page for the most reliable information.