Watch Mainsprings

Vintage Altrax Mainspring No. 236 – 1.55 mm × 0.1325 mm × 11.5 mm – Unbreakable

Vintage Altrax Mainspring No. 236 – 1.55 mm × 0.1325 mm × 11.5 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Altrax 129 Mainspring – 1.30 mm × 0.081 mm × 8 mm – Unbreakable

Vintage Altrax 129 Mainspring – 1.30 mm × 0.081 mm × 8 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Vintage Altrax Mainspring No. 293 – 1.75 mm × 0.12 mm × 10.5 mm – Unbreakable

Vintage Altrax Mainspring No. 293 – 1.75 mm × 0.12 mm × 10.5 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Vintage Altrax Mainspring No. 313 – 1.90 mm × 0.10 mm × 9 mm – Unbreakable

Vintage Altrax Mainspring No. 313 – 1.90 mm × 0.10 mm × 9 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Altrax Mainspring No.231 – 1.55 mm x 0.09 mm x 8.5 mm – Unbreakable

Vintage Altrax Mainspring No.231 – 1.55 mm x 0.09 mm x 8.5 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Altrax Mainspring No.138 – 1.30 mm x 0.14 mm x 12 mm – Unbreakable Swiss

Vintage Altrax Mainspring No.138 – 1.30 mm x 0.14 mm x 12 mm – Unbreakable Swiss

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Generale Ressorts Mainspring No. 3808 – 1.40mm x 0.16mm – Pierce 16.24

Vintage Generale Ressorts Mainspring No. 3808 – 1.40mm x 0.16mm – Pierce 16.24

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Helvetia 838 Mainspring – For Helvetia, Alpina, Certina & Felsa Calibres

Vintage Helvetia 838 Mainspring – For Helvetia, Alpina, Certina & Felsa Calibres

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Isoflex Mainspring No. 96 – 1.20 mm x 0.085 mm x 210 mm – Unbreakable

Vintage Isoflex Mainspring No. 96 – 1.20 mm x 0.085 mm x 210 mm – Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Vintage Isoflex Mainspring No.440 – 1.50mm x 0.075mm x 270mm – Unbreakable Swiss

Vintage Isoflex Mainspring No.440 – 1.50mm x 0.075mm x 270mm – Unbreakable Swiss

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Vintage Isoflex Mainspring No. 340 – 1.40mm x 0.11mm x 260mm – Unbreakable Swiss

Vintage Isoflex Mainspring No. 340 – 1.40mm x 0.11mm x 260mm – Unbreakable Swiss

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
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Sandalloy Mainspring S7213 – 1.60 x 0.08 x 11½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S7213 – 1.60 x 0.08 x 11½” – Sandvik Steel Inc. USA

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Sandalloy Mainspring S6112 – 1.50 x 0.11 x 13½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6112 – 1.50 x 0.11 x 13½” – Sandvik Steel Inc. USA

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Sandalloy Mainspring S4247 – 1.35 x 0.07 x 8¾” – Sandvik Steel Inc. USA

Sandalloy Mainspring S4247 – 1.35 x 0.07 x 8¾” – Sandvik Steel Inc. USA

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Sandalloy Mainspring S6891 – 1.50 x 0.11 x 9½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6891 – 1.50 x 0.11 x 9½” – Sandvik Steel Inc. USA

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Altrax Mainspring No. 108 – 1.20 x 0.075 x 6.5mm – Incassable / Unbreakable

Altrax Mainspring No. 108 – 1.20 x 0.075 x 6.5mm – Incassable / Unbreakable

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per

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Collection: Watch Mainsprings

Vintage Altrax Mainspring No. 236 – 1.55 mm × 0.1325 mm × 11.5 mm – Unbreakable

Vintage Altrax Mainspring No. 236 – 1.55 mm × 0.1325 mm × 11.5 mm – Unbreakable

Vintage Altrax 129 Mainspring – 1.30 mm × 0.081 mm × 8 mm – Unbreakable

Vintage Altrax 129 Mainspring – 1.30 mm × 0.081 mm × 8 mm – Unbreakable

Vintage Altrax Mainspring No. 293 – 1.75 mm × 0.12 mm × 10.5 mm – Unbreakable

Vintage Altrax Mainspring No. 293 – 1.75 mm × 0.12 mm × 10.5 mm – Unbreakable

Vintage Altrax Mainspring No. 313 – 1.90 mm × 0.10 mm × 9 mm – Unbreakable

Vintage Altrax Mainspring No. 313 – 1.90 mm × 0.10 mm × 9 mm – Unbreakable

Vintage Altrax Mainspring No.231 – 1.55 mm x 0.09 mm x 8.5 mm – Unbreakable

Vintage Altrax Mainspring No.231 – 1.55 mm x 0.09 mm x 8.5 mm – Unbreakable

Vintage Altrax Mainspring No.138 – 1.30 mm x 0.14 mm x 12 mm – Unbreakable Swiss

Vintage Altrax Mainspring No.138 – 1.30 mm x 0.14 mm x 12 mm – Unbreakable Swiss

Vintage Generale Ressorts Mainspring No. 3808 – 1.40mm x 0.16mm – Pierce 16.24

Vintage Generale Ressorts Mainspring No. 3808 – 1.40mm x 0.16mm – Pierce 16.24

Vintage Helvetia 838 Mainspring – For Helvetia, Alpina, Certina & Felsa Calibres

Vintage Helvetia 838 Mainspring – For Helvetia, Alpina, Certina & Felsa Calibres

Vintage Isoflex Mainspring No. 96 – 1.20 mm x 0.085 mm x 210 mm – Unbreakable

Vintage Isoflex Mainspring No. 96 – 1.20 mm x 0.085 mm x 210 mm – Unbreakable

Vintage Isoflex Mainspring No.440 – 1.50mm x 0.075mm x 270mm – Unbreakable Swiss

Vintage Isoflex Mainspring No.440 – 1.50mm x 0.075mm x 270mm – Unbreakable Swiss

Vintage Isoflex Mainspring No. 340 – 1.40mm x 0.11mm x 260mm – Unbreakable Swiss

Vintage Isoflex Mainspring No. 340 – 1.40mm x 0.11mm x 260mm – Unbreakable Swiss

Sandalloy Mainspring S7213 – 1.60 x 0.08 x 11½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S7213 – 1.60 x 0.08 x 11½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6112 – 1.50 x 0.11 x 13½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6112 – 1.50 x 0.11 x 13½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S4247 – 1.35 x 0.07 x 8¾” – Sandvik Steel Inc. USA

Sandalloy Mainspring S4247 – 1.35 x 0.07 x 8¾” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6891 – 1.50 x 0.11 x 9½” – Sandvik Steel Inc. USA

Sandalloy Mainspring S6891 – 1.50 x 0.11 x 9½” – Sandvik Steel Inc. USA

Altrax Mainspring No. 108 – 1.20 x 0.075 x 6.5mm – Incassable / Unbreakable

Altrax Mainspring No. 108 – 1.20 x 0.075 x 6.5mm – Incassable / Unbreakable

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Collection: Watch Mainsprings

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