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This is a generic sapphire crystal designed for the Patek Philippe Gondolo references 5109 and 5112, featuring a flat rectangular profile with dimensions of 29.0mm in length, 25.0mm in width, and a slim 0.8mm thickness. Made from synthetic sapphire (Mohs hardness 9), this aftermarket replacement crystal offers exceptional scratch resistance and optical clarity.
It is designed to restore the watch’s elegant, classic aesthetic when the original crystal becomes scratched or damaged.
Precision Dimensions: The exact cut of 29.0mm × 25.0mm ensures a flush fit with the Gondolo’s stepped case design.
Ultra-Thin Profile: At just 0.8mm thick, this crystal maintains the sleek silhouette of the original ultra-thin dress watch.
Superior Durability: Sapphire construction provides high resistance to daily wear and tear.
Clarity: Unobstructed view of the dial, which is essential for appreciating the Art Deco details of the Gondolo collection.
Professional Handling: The Gondolo features a rectangular/tonneau case. Installing a flat, non-round crystal requires even pressure distribution to avoid cracking the glass or damaging the case.
Tools Required: A crystal press with flat, rectangular-shaped dies is mandatory. Standard round dies will not seat the crystal correctly.
Adhesive: Typically, rectangular crystals are secured using UV-cured adhesive (e.g., GS Hypo Cement) rather than pressure fit alone.
Process:
Clean the crystal seating area thoroughly to remove old adhesive residue.
Apply a thin, even layer of UV adhesive to the bezel seat.
Position the crystal carefully, ensuring it is perfectly centered.
Press evenly using the rectangular dies.
Cure the adhesive with a UV lamp.
Fragility: Due to the 0.8mm thinness and rectangular shape, this crystal is more susceptible to cracking under uneven pressure compared to round crystals. Handle with extreme care.
Compatibility: This crystal is specifically for ref. 5109 and 5112. Do not purchase for round-cased Patek Philippe models.
Water Resistance: Aftermarket crystal replacement may compromise the watch’s water resistance (if any). It is recommended to have the watch tested professionally after installation.
Q1: Is this the same thickness as the original Patek Philippe crystal?
A: This generic crystal is 0.8mm thick. While visually similar, slight manufacturing tolerances may exist compared to the original OEM part.
Q2: Is this crystal domed or flat?
A: This specific crystal features a flat top profile, which matches the clean, geometric lines of the Gondolo 5109/5112 cases.
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