Watch O-rings - 0.9mm (for waterproof watches)

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Watch replacement O-ring set of 10 x 31mm -40mm as follows:

- 1 x 31mm x 0.9mm
- 1 x 32mm x 0.9mm
- 1 x 33mm x 0.9mm
- 1 x 34mm x 0.9mm
- 1 x 35mm x 0.9mm
- 1 x 36mm x 0.9mm
- 1 x 37mm x 0.9mm
- 1 x 38mm x 0.9mm
- 1 x 39mm x 0.9mm
- 1 x 40mm x 0.9mm

Perfect for watch repair businesses and for home DIY use for the replacement of watch O-rings for waterproof watches.