Cartier Panthère Factory Diamond 18K Yellow Gold PM Cartier Serviced 2026 with 2y Warranty Ref. 866911

A rare and elegant Cartier Panthère Ref. 866911 from the 1990s, crafted in solid 18k yellow gold and distinguished by its original factory diamond-set bezel and factory diamond-set crown—a luxurious configuration confirmed by the accompanying Cartier service documentation.

This example has undergone a complete Cartier service at the Cartier Boutique Brussels in July 2026, with an invoice of €430, and is covered by a 2-year international Cartier warranty. The watch is accompanied by all Cartier paperwork, including documentation confirming its original factory diamond configuration.

The 23 × 30 mm yellow gold case is paired with the iconic integrated Panthère bracelet, suitable for wrists up to approximately 15,5cm (Extra links can be sourced if needed). The classic white Roman numeral dial, blued steel hands, and sapphire crystal—with only light, minor marks—complete this timeless design.

Highlights:

• Reference 866911

• Circa 1990s

• Solid 18k yellow gold case

• 23 × 30 mm case

• Factory diamond-set bezel

• Factory diamond-set diamond crown

• White Roman numeral dial

• Blued steel hands

• Sapphire crystal with minor marks

• Integrated 18k yellow gold bracelet (approx. 15,5 cm). Extra links can be sourced if needed.

• Complete Cartier service (July 2026, Cartier Boutique Brussels)

• 2-year international Cartier warranty

• Complete Cartier paperwork confirming factory diamonds

A beautifully preserved and increasingly rare Panthère, combining Cartier's iconic design with factory diamond elegance and the confidence of a recent official Cartier service.