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This is a high-quality generic bezel screw for the Audemars Piguet Royal Oak reference 26331 (41mm chronograph), measuring 9.5mm (overall length) × 1.15mm (thread diameter), available in two head diameter options: 1.88mm and 2.45mm. Crafted from precision‑polished stainless steel, this screw secures the iconic octagonal bezel to the case middle, restoring the watch‘s original aesthetic and structural integrity.
Precise Dimensions – 9.5mm length, 1.15mm thread diameter, perfectly fits the 26331 41mm case bezel thickness.
Two Head Diameter Options – 1.88mm and 2.45mm to match different batches or screw positions.
Polished Stainless Steel – High gloss, corrosion-resistant, matches Royal Oak case finish.
Generic Aftermarket – Non-original but precisely engineered to original 26331 screw dimensions.
Restores Original Look – Exact fit for original screw holes, ensuring secure bezel attachment.
| Parameter | Details |
|---|---|
| Compatible Model | AP Royal Oak 26331 (41mm chronograph) |
| Type | Generic (aftermarket) |
| Overall Length | 9.5 mm |
| Thread Diameter | 1.15 mm |
| Head Diameter Options | 1.88 mm / 2.45 mm |
| Material | Precision-polished stainless steel |
| Function | Secures octagonal bezel to case middle |
1. Is this a genuine AP screw?
No. It is a generic aftermarket replacement, not original, but dimensionally identical to the 26331 bezel screw.
2. How do I choose the head diameter?
Measure your original screw head with a caliper. If it is 1.88mm, select the 1.88mm option; if 2.45mm, select the 2.45mm option. Different batches or front/rear screws may differ.
3. Does this screw fit other Royal Oak models?
No. The 26331 (41mm chronograph) uses unique screw dimensions (9.5mm/1.15mm) different from the 39mm Jumbo (e.g., 15202) or Offshore models. Do not mix.
4. Should I use threadlocker?
A low-strength threadlocker (e.g., Loctite 222) is recommended on the threads to prevent loosening. Use sparingly. Professional installation is advised.
5. Will the screw rust?
Made of quality stainless steel, it resists corrosion under normal wear. Avoid prolonged contact with seawater or chemicals. Wipe dry after use.
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