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This is a generic replacement sapphire crystal for the Jaeger-LeCoultre Reverso reference 2601420, measuring 20.9mm × 16.9mm (rectangular) with a double-domed profile (both top and bottom surfaces are convex). This design – commonly found in high-end Reverso models – reduces internal reflections and enhances depth perception. Made of synthetic sapphire glass (Mohs 9), it offers outstanding scratch resistance and optical clarity. As an aftermarket part, it provides a cost-effective solution for repairing the unique swivel-case construction of the Reverso.
Sapphire Crystal – Mohs 9, highly scratch‑resistant and optically clear.
Double‑Domed Profile – Both top and bottom convex to reduce reflections and enhance depth.
Precision Rectangular Size – 20.9mm × 16.9mm, exact fit for the Reverso 2601420 case.
Generic Aftermarket – Non‑original but manufactured to OEM specs for direct replacement.
Cost‑Effective – Affordable alternative for repairing the swivel‑case construction.
| Parameter | Details |
|---|---|
| Compatible Model | Jaeger-LeCoultre Reverso 2601420 |
| Type | Generic aftermarket |
| Material | Synthetic sapphire (Mohs 9) |
| Shape | Double‑domed rectangular |
| Length × Width | 20.9 mm × 16.9 mm |
| Thickness | Not specified (typically ~1.0-1.5mm, confirm with product) |
Jaeger-LeCoultre Reverso 2601420 (classic Duoface)
Other Reverso models using the same 20.9×16.9mm double‑domed crystal (verify original part)
Replacement of damaged, deeply scratched, or aged original crystals
Swivel‑case repair or restoration projects
1. Is this a genuine JLC crystal?
No. It is a generic aftermarket replacement, not original, but matches the 2601420 dimensions and double‑dome profile.
2. What is the advantage of a double‑domed crystal?
Double‑domed crystals reduce internal reflections, improve dial clarity, and enhance depth perception – a classic feature of high‑end Reverso models.
3. What should I pay attention to during installation?
The crystal fits into the swivel frame. Align carefully to avoid damaging the hinge. Use a crystal press, UV adhesive, and seek professional help.
4. Will the swivel function be affected after installation?
Proper installation will not affect the Reverso’s flipping mechanism. However, incorrect thickness or shape may cause closure issues. Verify dimensions.
5. Does this crystal fit other Reverso references?
Different Reverso models have different crystal sizes (e.g., large, small, tourbillon). Measure your original crystal before ordering.
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