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This new Bergeon mainspring winder set includes the most popular sizes of winders available from Bergeon. Each assortment includes five drums, five left hand arbors (blue dot), five right hand arbors (red dot), a handle for left hand winding, a handle for right hand winding and a storage box all from Bergeon. Sizes included are number 04 (7.8mm), 05 (8.6mm), 06 (9.8mm), 07 (10.8mm) and 08 (12.0mm). Swiss made
Looking for a replacement mainspring for your watch but cannot find it on our website? Email us for cost and availability and we may have it for you.