Mainspring for Wittnauer 7 K

Height, diameter, thickness and length

1.30 × 6.5 × 0.075 × 220 mmheight × diameter × thickness × length
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.

📏 Mainspring dimensions

GR no.HeightDiameterThicknessLengthType
31931.30 mm6.5 mm0.075 mm220 mmHand-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 201.

🛒 Matching mainspring in our shop

No mainspring with exactly these dimensions in our shop at the moment.

🔄 Alternative mainsprings

Same height, diameter equal or slightly smaller. Please check yourself before ordering.

🔗 According to the catalogue, the same mainspring (GR 3193) also fits

❓ Frequently asked questions

Which mainspring fits the Wittnauer 7 K?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.5 × 0.075 × 220 mm (GR 3193, 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 3193?

According to the catalogue also in AS 1236, Benrus AZ 6/7", BFG 930, Bulova 10 AC, Bulova 10 AT and 21 other calibers.

All Wittnauer mainsprings · Mainsprings

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