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This is a generic sapphire crystal designed for the Rolex Lady-Datejust 179384, as well as the compatible 179383 reference, measuring 21.3mm in length, 20.6mm in width, and 1.45mm in thickness. Featuring a flat profile with a Cyclops magnifier over the date window, this aftermarket crystal is made from synthetic sapphire, offering exceptional scratch resistance (Mohs hardness 9) and optical clarity.
The original Lady-Datejust 179383 features a 26mm Oystersteel and 18k yellow gold case, powered by the Caliber 2235 automatic movement with a 48-hour power reserve and 100m water resistance .
Sapphire Crystal – Mohs 9, highly scratch-resistant and optically clear.
Cyclops Magnifier – 2.5x date magnification at 3 o’clock for easy reading.
Flat Profile – Classic flat crystal, perfect fit for the Lady-Datejust case.
Precise Dimensions – 21.3×20.6×1.45mm, exact fit for the 26mm case.
Generic Aftermarket – Non-original but manufactured to OEM specs for direct replacement.
| Parameter | Details |
|---|---|
| Compatible Models | Rolex Lady-Datejust 179384, 179383 (26mm case) |
| Type | Generic aftermarket |
| Material | Synthetic sapphire |
| Shape | Flat with Cyclops |
| Length | 21.3 mm |
| Width | 20.6 mm |
| Thickness | 1.45 mm |
Rolex Lady-Datejust 179384, 179383 (26mm Oyster case, Caliber 2235)
Replacement of damaged, deeply scratched, worn Cyclops, or aged original crystals
Restoring 100m water resistance during service
1. Is this a genuine Rolex crystal?
No. It is a generic aftermarket replacement, not original, but matches the 179384 dimensions.
2. Will the original 100m water resistance be maintained after installation?
Proper installation with a new gasket can restore similar water resistance. A water resistance test is advised. (Gasket not included)
3. What should I pay attention to during installation?
Clean the case groove, place the new gasket, then the crystal. Align the Cyclops with the date window. Press evenly with a crystal press. Professional installation is recommended.
4. What is the magnification of the Cyclops?
Approximately 2.5x, consistent with the original for clear date readability.
5. Does this crystal fit other Lady-Datejust models like 179174?
Different references may have different crystal sizes. Measure your original (21.3×20.6mm) to confirm.
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