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Generic replacement O-ring bezel gasket for Rolex Sea-Dweller Deepsea ref. 116660 — crafted from durable nylon. Sits between the rotating bezel and case, providing a watertight seal and the correct rotational friction for the unidirectional bezel. Designed for the 3,900-meter rated diver’s watch — single-use component that must be replaced whenever the bezel is removed to maintain extreme depth rating and crisp bezel action. Generic/aftermarket replacement, not manufactured by Rolex.
| Parameter | Value |
|---|---|
| Type | Generic Replacement Bezel O-ring Gasket |
| Compatibility | Rolex Sea-Dweller Deepsea ref. 116660 |
| Material | Nylon (O-ring) |
| Function | Watertight seal + correct rotational friction for unidirectional bezel |
| Water Resistance | Compatible with 3,900 m / 12,800 ft depth rating |
| Note | Generic / Aftermarket replacement — not manufactured by Rolex |
| Important | Single-use: replace every time bezel is removed |
Q1: Is this a genuine Rolex gasket?
A: No — this is a generic / aftermarket replacement bezel O-ring gasket designed for the Sea-Dweller Deepsea 116660. It is not manufactured by Rolex. Genuine Rolex parts are only available through authorized Rolex service centers.
Q2: What is the function of this bezel gasket?
A: The O-ring gasket serves two critical functions: (1) Watertight seal — maintaining the watch’s extreme 3,900-meter depth rating between the rotating bezel and case. (2) Correct rotational friction — providing the precise resistance for smooth unidirectional bezel operation.
Q3: Why is it single-use?
A: The bezel gasket is a single-use component — every time the bezel is removed, the gasket must be replaced with a new one to ensure a proper seal. A used or compressed gasket cannot guarantee the watertight seal or correct rotational friction required for the Deepsea’s extreme depth rating.
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