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Movement tier: unclassified · caliber GP Cal. 03300: in-house automatic, 28,800bph, 54h PR; used in Cat's Eye 41; feminine tonneau-shaped movement to complement the oval case architecture · 54h power reserve (2.3 days)
Small case: suits slender wrists (under 6.5 in / 16.5 cm)
35 mm case. A compact, elegant wear. Particularly at home on narrower wrists where larger cases can overhang.

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Authentication

The curved sapphire crystal must follow the oval case contour uniformly; a flat crystal replacement is immediately visible.

Known issues in the market
  • The oval cat's eye case shape uses a curved sapphire crystal that follows the case contour; any flat crystal is a replacement.
  • The oval case and curved crystal are GP-specific and not found in counterfeit production; fakes of this model are rare but replacement parts are a concern on genuine examples.
AreaWhat to checkWhat is correctRed flag
crystalCurved sapphire crystal contourCrystal curves uniformly to follow the oval case shape; no flat sections visible from the sideFlat crystal that does not follow case contour; any gap between crystal edge and case bezel
caseOval case symmetryOval case is symmetrical on both axes; consistent curvature from 12 to 6 and 3 to 9Asymmetrical oval; any case that is not a true ellipse from top view
movementCal. GP03300 via casebackExhibition caseback showing GP in-house movementNon-GP movement; solid caseback on an exhibition-spec model
Common legitimate replacements
  • Curved sapphire crystals are difficult to source correctly; a flat replacement is the most common service deviation on oval-case watches.
  • Leather straps are frequently replaced; factory GP Cat's Eye straps have a specific oval-shaped taper.
Expert resources: Girard-Perregaux Cat's Eye documentation at girard-perregaux.com. TimeZone GP forums for crystal and case condition references.

Authentication guide

Last reviewed June 2026

The Cat's Eye is GP's signature ladies oval case watch, a design with roots in the 1990s that continues to define the brand's feminine offering. The oval case shape and the movement that complements it are the primary authenticity checkpoints.

Known reproduction risks

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LOW

Outright Cat's Eye replicas are rare given the specialist market. The oval case and shaped movement are difficult to reproduce at collector-grade quality.

  • Round case presented as the oval Cat's Eye
  • Dial that does not fit the oval case interior precisely
  • Movement visible through caseback that is clearly sized for a round case

Dial variants by era

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EraDescriptionIdentifiers
Current Cat's Eye productionOval case with a dial shaped to the case interior. Common in mother-of-pearl or silver dials with diamond hour markers on the ornamental variants.
  • Oval case with long axis running vertically (portrait orientation)
  • Dial shaped to fit the oval case interior without dead space at the oval ends
  • "Girard-Perregaux" text at the upper dial in the correct typeface
  • "Cat's Eye" text below or above the center depending on the configuration
  • No octagonal bezel, no integrated bracelet; the Cat's Eye uses a leather strap or separate bracelet
  • Diamond indices on gem-set variants should be round brilliants set consistently

Service part flags

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Oval case

Original: The oval is elongated vertically. The bezel is smooth and follows the oval shape without faceting. The case material is typically rose gold, white gold, or steel depending on the variant.

Replacement tells
  • A case that is round rather than distinctly oval
  • Bezel faceting or octagonal geometry, which would indicate a case from a different GP family
  • Dial that does not conform precisely to the oval interior, showing excess space at the ends
Movement

Original: Cal. GP03300 is adapted to complement the oval case. The movement bridges visible through the exhibition caseback should show the GP finishing standard and an architecture compatible with the oval case interior.

Replacement tells
  • A movement visible through the caseback that is clearly circular and not sized to the oval case interior
  • Movement plates without Côtes de Genève striping

Case back markings

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Current production
  • Exhibition caseback on most Cat's Eye variants displaying the GP03300-series caliber
  • "Girard-Perregaux" and "Genève" on the movement
  • Reference 80484D11A762-11A on the case band or lug
  • Metal hallmarks per case material on the case band

Movement tells

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  • The GP03300 family in the Cat's Eye runs at 28,800bph with a 54-hour power reserve. The movement is designed to complement the oval case geometry.
  • Replicas of the Cat's Eye are uncommon. The greater service concern is dial damage from improper handling of the oval case during service.
Sources: Girard-Perregaux -- Cat's Eye history and design documentation; WatchUSeek -- GP ladies watches forum.

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