Item: Borel O-Ring 90-1880

Type: Watch Gasket / O-Ring Seal

Measurements:

- Cross Section: 0.90 mm

- Inside Diameter: 18.80 mm

- Outside Diameter: 20.60 mm

Brand: Borel

Condition: New (from original Borel packaging, see photo)

High-quality precision O-ring for waterproofing and sealing wristwatch cases.

Trusted by professional watchmakers for reliability and exact sizing.

📦 Ships fast, packaged carefully to protect the original envelope.