Visual Description
The Ref. 17001 is the Ceinture Jumbo. Finarte, Antiquorum, Bachmann & Scher and Craft + Tailored give the case as 31 × 31 mm, and Sotheby's measures examples at 30.5 × 31 to 31.5 mm. The case is 18k yellow gold, a square with its corners cut away, which several catalogs describe as octagonal. The dial is white and signed Paris, with painted Roman numerals and a railroad minute track, and the hands are blued steel. Examples come on leather straps with an 18k gold Cartier deployant clasp.
Reference Significance
The 17001 is the large automatic member of the Ceinture family. The two Paris Ceintures relaunched in 1973 are hand-wound: the 27 mm Ref. 78099 and the 25 mm Ref. 78100. The 17001 adds a size above both and a self-winding movement. Sotheby's catalogs it as the Ceinture Jumbo, and its case numbers begin with 17001, just as the smaller references carry 78099 and 78100 in theirs.
Historical Context
The first Ceinture dates to 1927, and Cartier Paris brought the model back in the Louis Cartier Collection of 1973. Dated 17001s span the following two decades: Antiquorum dates one to about 1970, Sotheby's dates others to about 1975 and about 1980, and Bachmann & Scher has sold examples dated 1979 and 1987, the second with its papers. Finarte dates one to the 1980s. Some dealers describe the Ceinture as a short-lived 1970s watch, which the later dated examples do not bear out.
What to Look For
Case: The cut corners and stepped edges show any polishing. Compare all four corners; they should be crisp and the same. Measure the case: about 31 mm is the Jumbo.
Case number: The case back should read 17001 followed by the serial. Some catalogs print only the serial, so read the full number.
Dial: Original dials are white and signed Paris, with Roman numerals.
Movement: The movement should be automatic and signed Cartier. Sotheby's catalogs the cal. 076 with 25 jewels, while other sources give the cal. 2670 or 17 jewels.
Clasp: Look for an 18k gold Cartier deployant clasp. Sotheby's and Antiquorum have both cataloged examples with a pink gold clasp on the yellow gold case.
