Cartier Ellipse LM 'Paris' Dial Ref. 78091 1970s w/ Service Papers

The Cartier Ellipse LM Ref. 78091 is a lesser-seen expression of Cartier’s design language from the 1970s — a period where form and proportion were explored beyond the traditional Tank. With its softly curved, elliptical case, the model offers a refined and slightly unconventional silhouette, embodying Cartier’s ability to merge jewellery and horology seamlessly.

This example is distinguished by its ‘Paris’ signed dial, a hallmark of earlier Cartier production, here presented as a clean lacquer service replacement. Paired with a new Artisan Straps alligator leather strap and Cartier gold plated buckle, the watch presents as an elegant and wearable vintage piece, further supported by a recent service carried out by Cartier.

Cartier Ellipse LM 'Paris' Dial Ref. 78091 1970s w/ Service Papers

The Cartier Ellipse LM Ref. 78091 is a lesser-seen expression of Cartier’s design language from the 1970s — a period where form and proportion were explored beyond the traditional Tank. With its softly curved, elliptical case, the model offers a refined and slightly unconventional silhouette, embodying Cartier’s ability to merge jewellery and horology seamlessly.

This example is distinguished by its ‘Paris’ signed dial, a hallmark of earlier Cartier production, here presented as a clean lacquer service replacement. Paired with a new Artisan Straps alligator leather strap and Cartier gold plated buckle, the watch presents as an elegant and wearable vintage piece, further supported by a recent service carried out by Cartier.

Details
- Maker
  
  Cartier
- Model
  
  Ellipse LM
- Reference
  
  78091
- Year
  
  1970s (approx.)
- Box & Papers
  
  Papers: Cartier service papers (dated December 2025); Box: No
- Movement
  
  Manual, Cartier signed movement
- Dial & Hands
  
  Ivory lacquered service dial signed 'Paris' w/ Roman numerals & blue sword hands
- Crystal
  
  Mineral
- Bracelet/Strap
  
  Artisan Straps dark brown alligator leather strap w/ Cartier gold plated buckle
- Performance
  
  Watch is fully functioning and running at +10 seconds per day
Dimensions
- Width: 33mm
- Length: 29mm
- Lug width: 15mm
Materials

18k yellow gold

A key detail for collectors, the ‘Paris’ signature reflects earlier Cartier production. In this example, the service replacement dial remains exceptionally clean while retaining that important designation
The Ellipse offers a softer, more fluid alternative to the traditional Tank, making it a distinctive yet understated piece on the wrist
Having undergone a recent service by Cartier and fitted with a new strap, this example is ready for immediate enjoyment with no additional work required

Very minor scratches on case
Very minor scuffs on crystal
Dent in bezel between 3 o'clock and 4 o'clock

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