Ø4.20mm to Ø17.00mm

O-Rings Gaskets - By Size - Cousins or ISO Swiss

• Ø4.20mm to Ø17.00mm
• Nitrile (NBR) black rubber
• 65 to 70° Shore A
• RoHS Compliant

Dimensions: Ø Inside x (Height x Thickness) x Ø OutsideProtect your watch repair by fitting only the best quality rubber gaskets. CousinsUK have "by far" the largest choice of gasket sizes available, enabling the fitting of the correct size ensuring that the best possible seal and quality control is achieved.Rolex Generic Parts & References:Bubble Ø5.50mm

• Crown Gaskets = they do not have them
• Tube = C8366
• Tube Gasket = G63889

Twinlock Ø5.30mm

• Crown Gasket = C8428 (Flat Ring)
• Tube = C8359
• Tube Gasket = C8422 (ISO) or G61102 (O-Ring)

Twinlock Ø6.00mm

• Crown Gasket = C8429 (Flat Ring)
• Tube = C8360
• Tube Gasket = C8424 (ISO) or G61106 (O-Ring)

Daytona Ø7.00mm

• Triplock Crown Gasket = C8361A (O-Ring)
• Twinlock Crown Gasket = G52690 (Flat Ring)
• Tube = C8363 (Short) & C33419 (Orignial)
• Tube Gasket = C8426 or G61105 (internal x2 O-Rings)
• Tube Gasket = C33418 (External, Flat Ring)
• Tube Gasket = C8426A (External, O-Ring, Large Ø)