Collet Tightening and Reaming Tool Wittnauer 9RWK 9 mm Toggle and Bar

9 mm Toggle and Bar Set are used at the ends of bracelets and necklaces

VD53 Height 2 SII Quartz Chronograph Watch Movementis a 3 hand movement (hour/minute/sweep seconds) with 3 indicators and a date window at the 4:30 position

calibres R13

6mm (3/16") high x 15

Product Details

Collet Tightening and Reaming Tool Wittnauer 9RWK 9 mm Toggle and BarBergeon Collet Tightening and Reaming Tool is designed with 5 different notches and an adjustment screw on the side to allow gentle tightening of the hairspring collet to better fit the balance wheel. It also allows you to hold the hairspring collet, if reaming is required to enlarge the hole slightly to better fit the balance wheel. This tool is weighted, to allow for ease of control when working.