Brand: Gerald Genta
Gérald Genta Fantasy Retro RSF.X.10 Case-Back
SKU: GGRSFX10WCB
This is an original Gerald Genta Fantasy Retro case back, reference RSF.X.10, for the Disney-collaboration timepiece. It is a new-old-stock service part in excellent condition, crafted from 316L stainless steel. The case back ensures direct compatibility with 40.5 mm Fantasy Retro models housing automatic calibres.
Gérald Genta Fantasy Retro RSF.X.10 Case-Back
CHF 100
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Estimated Delivery: Thu, Apr 30 – Wed, May 6 (Excl. Sat, Sun)
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Gérald Genta Fantasy Retro RSF.X.10 Stainless Steel Case-Back
Overview
Original stainless steel case-back for the Gérald Genta Fantasy Retro RSF.X.10, a limited-production timepiece from the early 2000s. The Fantasy Retro series was part of Gérald Genta‘s collaboration with Disney, featuring licensed character designs on the dial while maintaining Swiss mechanical watchmaking standards. This case-back is marked with the official reference RSF.X.10, confirming its compatibility with the 40.5 mm Fantasy Retro models powered by automatic movements.
The case-back is crafted from 316L stainless steel, a corrosion-resistant alloy standard in Swiss watchmaking for its durability and hypoallergenic properties. The exterior features machine-engraved markings in the original Gérald Genta typography, including the Disney copyright notation, water resistance rating, and “Swiss Made” designation. The interior surface retains the factory finish, designed to interface with the movement holder and case gasket without modification.
This is a new-old-stock (NOS) service part, graded Excellent in our Condition Grading Scale below. No signs of installation, tool marks, or deformation are present. The article is sold as a standalone component—no gaskets, screws, or additional case parts are included unless explicitly stated. Intended for professional use in watch servicing or restoration, where original Gérald Genta parts are required to maintain collector value and functional integrity.
Specifications
Official reference: RSF.X.10 (engraved). Case-back diameter: 40.5 mm, matching the Fantasy Retro case dimensions. Material: 316L stainless steel, brushed finish on the exterior with a matte interior surface for movement contact. Thickness: standard for Gérald Genta automatic cases of this era, designed to accommodate ETA 2892-A2 or Frédéric Piguet-based calibers with rotor clearance.
Engravings (exterior, radial layout):
G | AUTOMATIC | Fantasy retro | © Disney | (Genta catalog number) | RSF.X.10 | WATER RESISTANT | STAINLESS STEEL | SWISS MADE.
The “WATER RESISTANT” marking indicates a factory-rated resistance to 30 meters (3 ATM), typical for dress watches of this period. No serial numbers or individual identifiers are present—this is a generic service part for the RSF.X.10 series.
The case-back uses a six-notch design for case-back wrenches, compatible with standard Swiss watchmaking tools (e.g., Horotec or Bergeon). The interior recess includes a circular gasket channel for the original nitrile or silicone seal, though no gasket is included with this listing. Thread pitch and diameter conform to Gérald Genta‘s specifications for the Fantasy Retro line, ensuring direct replacement without case modification.
Notes
- The article is sold “AS IS”. Please read our Warranty Policy before purchasing.
- Any parts not explicitly mentioned in this description or not visible in the accompanying photographs are not included.
- Colors may appear slightly different across various screens and devices so we cannot guarantee an exact screen-to-reality color match.
An original Gérald Genta case-back for the Fantasy Retro RSF.X.10, supplying the correct part for servicing or restoring a Disney-collaboration timepiece from the brand’s early 2000s production.
Frequently Asked Questions
Is this case-back compatible with other Gérald Genta Fantasy Retro references?
No. The RSF.X.10 marking confirms compatibility only with the 40.5 mm Fantasy Retro models from the Disney collaboration. Other references (e.g., RSF.X.05 or RSF.X.15) may use different case-back dimensions or thread specifications.
What movement was originally fitted to the RSF.X.10?
The Fantasy Retro RSF.X.10 typically housed an ETA 2892-A2 or a Frédéric Piguet-derived automatic caliber, modified with Gérald Genta rotor and bridge decorations. The case-back depth is designed to clear the rotor swing of these movements.
Does this include the case gasket or screws?
No. The listing is for the case-back only. Original gaskets, screws, or case tools are not included unless explicitly stated in the description. Professional watchmakers should use new gaskets and appropriate thread-locking compounds during reassembly.
What is the water resistance rating of this case-back?
The “WATER RESISTANT” marking indicates a factory rating of 30 meters (3 ATM). Achieving this rating requires a new gasket, proper case compression, and a tested crystal. The case-back alone does not guarantee water resistance.
Can this case-back be engraved or modified?
Modifications to original Gérald Genta parts are not recommended, as they reduce collector value and may compromise fitment. The stainless steel can be lightly polished if needed, but engraving or deep abrasion will affect structural integrity.
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