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This is a generic rubber crown for Audemars Piguet Royal Oak Offshore 42mm watches, references 25940 and 26170, available in black and blue. The crown features a durable rubber outer layer over a stainless steel core, offering improved grip and sporty aesthetics.
Rubber Outer Layer – Non-slip, sweat-resistant, comfortable grip for easy operation.
Stainless Steel Core – Durable, ensures reliable screw-down water resistance.
Two Color Options – Black and blue to match different dial or bezel colors.
Generic Aftermarket – Non-original but dimensionally accurate for 25940/26170; direct replacement.
Restores Function – Replaces worn or damaged original rubber crowns for winding, setting, and water resistance.
| Parameter | Details |
|---|---|
| Compatible Models | AP Royal Oak Offshore 25940, 26170 (42mm) |
| Type | Generic aftermarket |
| Material | Rubber outer + stainless steel core |
| Colors | Black / Blue |
| Function | Winding, time-setting, screw-down water resistance |
AP Royal Oak Offshore 25940, 26170 (42mm case)
Replacement of worn, aged, or damaged original rubber crowns (peeling rubber, etc.)
Customizing crown color to match watch aesthetics
1. Is this a genuine AP crown?
No. It is a generic aftermarket replacement, not original, but matches the 25940/26170 dimensions.
2. Will the rubber layer peel off?
High-quality rubber is firmly bonded to the steel core. Under normal use, it resists peeling. Avoid prolonged exposure to chemicals or extreme heat.
3. How to choose between black and blue?
Match your dial or bezel color. Black fits most Offshore models; blue is ideal for blue‑dial versions (e.g., 26170 blue dial).
4. Will the original water resistance be maintained after installation?
The crown contains a sealing gasket. Use a new gasket and silicone grease. Properly tightened, it should restore factory water resistance (typically 100m+). A water resistance test is advised.
5. What should I pay attention to during installation?
Align the crown with the stem threads. Clean the threads, turn gently, avoid cross‑threading. Professional installation is recommended.
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