Mainspring for Roamer 243
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 5042 | 1.70 mm | 13.5 mm | 0.17 mm | 360 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 142.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,70-13,5-0,17-370 #111,90 € incl. VAT *View item
Mainspring 1,7x13,5x0,17x37011,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 5042) also fits
❓ Frequently asked questions
Which mainspring fits the Roamer 243?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.70 × 13.5 × 0.17 × 360 mm (GR 5042, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 2 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 5042?
According to the catalogue also in Roamer 240, Roamer 249, Roamer 254, Roamer 262, Roamer 263 and 2 other calibers.
🛠️ For the workshop
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High-Domed Watch Crystal Sternkreuz HW, Flume, for Wrist and Pocket Watches, 12-40 mm5,95 € – 10,90 € incl. VAT *View item ›