500 Piece Set of Watch O-rings 0.8mm/31-40mm (for waterproof watches)

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Watch replacement O-ring set of 500 as follows:

- 50 x 31mm x 0.7mm
- 50 x 32mm x 0.7mm
- 50 x 33mm x 0.7mm
- 50 x 34mm x 0.7mm
- 50 x 35mm x 0.7mm
- 50 x 36mm x 0.7mm
- 50 x 37mm x 0.7mm
- 50 x 38mm x 0.7mm
- 50 x 39mm x 0.7mm
- 50 x 40mm x 0.7mm

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