Watch Part Crown Wheel Screw Generic Fit for Movement ETA 2836-2 2824 #420SSFeatures: Product material is strong, durable, long service life.

Hattori PC10

Movement Holder: 500-710 {plastic)

Match the shape of watch cases with different geomtries

4 eyes { Day / Date / Month / Moon )

Asian Shanghai Perpetual Calendar Mechanical Movement

Item weight: 17g

air drills etc

Generic 10PCS Watch Winding Stems For ETA 2836-1 2834-1 2824-1 Movement

120mm (4-3/4") and 140mm (5-1/2") long all made of top quality nickel plated brass

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Red plastic handled levers for hairspring collets

This extender set can basically solve your trouble for broken watch winding stems