ETAChron Watch Movement Adjustment Key Tool
$39.95
This is a special tool required for any repair work that you need to do on the ETAChron mechanical movement. Adjustment Key for adjusting regulating pins.
- This tool is used as an adjustment key
- It is used for adjusting the regulating pins
- The blade is used for turning hairspring stud
- It measures 2 1/4" long
- Equivalent to Bergeon item number 6918