Cartier Santos Octagon Factory Diamond set Automatic PM 18k yellow gold Ref 0906 from 1980s
Cartier Santos Octagon Factory Diamond set Automatic PM 18k yellow gold Ref 0906 from 1980s
Refined and highly collectible Cartier Santos Octagon PM in 18k yellow gold, featuring an exceptionally rare factory diamond-set configuration—an elegant and luxurious creation from the 1980s.
The compact 25 mm case showcases the iconic octagonal Santos design, combining sharp lines with timeless Cartier sophistication, perfectly suited for a discreet yet distinguished wrist presence.
The dial is adorned with 12 factory-set diamonds as hour markers, offering a subtle brilliance, while the crown is set with an original diamond, further enhancing the watch’s refined character.
Adding to its rarity, the integrated 18k yellow gold bracelet (approx. 16 cm) features 4 factory-set diamonds, a highly unusual and desirable detail rarely seen on this model.
Powered by the Cartier Calibre 077 automatic movement, recently serviced and running excellent—ensuring both reliability and everyday wearability.
This watch comes with a Cartier red velvet service pouch and carries a unique provenance, having belonged to Mrs. Rita Vatanen, wife of legendary rally driver and former Member of the European Parliament Ari Vatanen.
Key highlights:
25 mm Santos Octagon case in 18k yellow gold
Rare factory diamond dial (12 diamonds)
Factory diamond-set crown
Integrated bracelet with 4 factory-set diamonds
Cartier Cal. 077 automatic movement (serviced)
Bracelet length approx. 16 cm
With Cartier red service pouch
Provenance: formerly owned by Rita Vatanen
Circa 1980s
A rare and elegant Cartier with exceptional details and unique provenance—combining iconic design, fine gem-setting, and a story that adds true collectible appeal.
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