This is the Case Back Gasket
(rubber o-ring) which fits the older Planet Ocean Seamaster 2200.50.00, 2200.51.00 2208.50.00 models
These are Omega supplied service parts which fit the 45.5mm XL size Planet Ocean Seamaster Watch
Omega Planet Ocean 088.5145NS Case Back Seal Gasket fits 168.1650 168.1652
SKU: 088.5145ns
£29.99Price
