Features:
Made of steel+ABS, high stability, fixability, applicability
This tool is for regulating/timing for BRO-AP 3120/3126/3090 watches.
Tool for setting the balances, micro-star shape, for AP 3120/3126/3090
It is essential that the adjustment of a pair of for Micro stella nuts, short or long, be identical, so as not to modify the balance wheel poising.
Package include:
1* Watch Balance Regulating Key Wrench Tool