Mainspring for Unitas 215
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4478 | 1.60 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 184.
đź›’ Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,60-9,0-0,10-32011,90 € incl. VAT *View item
Mainspring 1,60-9,5-0,10-31511,90 € incl. VAT *View item
Mainspring 1,60-9,5-0,1-310 #111,90 € incl. VAT *View item
Mainspring 1,6-9,0-0,10-31011,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”— According to the catalogue, the same mainspring (GR 4478) also fits
âť“ Frequently asked questions
Which mainspring fits the Unitas 215?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 9.5 × 0.095 × 340 mm (GR 4478, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 4 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 4478?
According to the catalogue also in Unitas 196 Ă 198, Unitas 198-1, Unitas 199, Unitas 199-1, Unitas 208 and 2 other calibers.
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