Ollie Baker Style Mainspring Winder Omega® 860 This is a 1 jewel

This is a 1 jewel movement using a 362 battery with hand dimensions 120/70/20 (hour/minute/second)

Excellent for use with tripoli and abrasive compounds

The indicator at the 6 o'clock position has two small hour and minute hands giving this movement the added feature of a second time zone (Dual Time)

precious metals

part # 416

Ollie Baker Style Mainspring Winder Omega® 860 This is a 1 jewelOllie Baker Style Mainspring Winder can wind handle mainsprings of any size, both hole end and loop end. The Ollie Baker style mainspring winder includes 9 Steel mainspring sleeves, clamps and instructions. Not included with the Ollie Baker style mainspring winder are the letdown chucks, which must be purchased individually.