Mainspring for Pierce 72
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3652 | 1.40 mm | 9.5 mm | 0.095 mm | 340 mm | Hand-wound, normal end hook |
All dimensions in millimetres. The height of a mainspring is often also called its “width”. Source: Générale Ressorts, mainspring catalogue GR 2 (March 1974), page 159.
đź›’ Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”— According to the catalogue, the same mainspring (GR 3652) also fits
âť“ Frequently asked questions
Which mainspring fits the Pierce 72?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.5 × 0.095 × 340 mm (GR 3652, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 1 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 3652?
According to the catalogue also in Bulova 4 AH, Bulova 4 AS, Bulova 4 AW, Bulova 4 AZ, Otero 46 and 2 other calibers.
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