Mainspring for AS 1045
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4457 | 1.60 mm | 8.5 mm | 0.085 mm | 300 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 12.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,60-8,5-0,08-31511,90 € incl. VAT *View item
Mainspring 1,60-8,5-0,09-29011,90 € incl. VAT *View item
Mainspring 1,6-8,0-0,09-27011,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔧 Interchangeable spare parts
Which other spare parts of AS 1045 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 4457) also fits
❓ Frequently asked questions
Which mainspring fits the AS 1045?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 8.5 × 0.085 × 300 mm (GR 4457, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 3 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 4457?
According to the catalogue also in AS 1053, AS 1103, AS 1125, Bulova 10 ZF, Cortebert 573 and 5 other calibers.
🛠️ For the workshop
Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›
Swiss Luminova DIY Kit, Luminous Powder for Watch Hands, C1 C3 C5 Yellow Orange19,95 € – 59,90 € incl. VAT *View item ›
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›