The Secret Signature
Introduced 1977
A microscopic 'CARTIER' hidden within the Roman numerals, present on every genuine post-1977 dial.
The slim dress version of the Santos, the watch Louis Cartier made in 1904 for the aviator Alberto Santos-Dumont.
In 1904, Louis Cartier made a watch for his friend the Brazilian aviator Alberto Santos-Dumont, who wanted to be able to tell the time while flying, and it was designed to be worn on the wrist. The model became commercially available in 1911, and Cartier describes it as one of the first wristwatches.
The Santos Dumont references collectors trade today begin in the 1970s. The Ref. 78097, a 25 × 36 mm case in 18k yellow gold, runs on the hand-wound Cartier Cal. 78-1 and is dated from about 1970 into the 1980s. Sotheby's notes that Yves Saint Laurent wore one, photographed by Horst P. Horst for Vogue in 1971. The Ref. 78225, which dealers call Deux Ors, is a 25–26 × 36 mm case in 18k white gold with an 18k yellow gold bezel and a Paris dial, hand-wound on an ETA 2512 base; Bachmann & Scher dates one to 1977.
The ultra-thin Ref. 96054, also 18k yellow gold, measures 27 × 36 mm and runs on the Frédéric Piguet Cal. 21; it is dated from about 1974 to 1997, and Sotheby's has sold a platinum example of about 1980 with burgundy numerals. Its small siblings on the same movement are the Ref. 96053 of about 1984 to 1990, at about 23 × 32 mm, and the Ref. 96062, about 23 mm wide, which dealers date to the 1980s and about 1990. The Ref. 96061, also sold as Deux Ors, is a 26–27 × 36 mm ultra-thin case in 18k yellow gold with an 18k white gold bezel on the Cal. 21, dated by Sotheby's to circa 1990.
In the 1990s the large ultra-thin model continued as the Ref. 821054, the same 27 × 36 mm size and Cal. 21 with a silver guilloché dial. The Collection Privée Cartier Paris line also revisited the Santos Dumont in platinum as the Ref. 1575, 27 × 36 mm on the Cal. 021MC, Cartier's version of the Piguet Cal. 21, with a yellow gold counterpart, the Ref. 1576, on the Cal. 21, which Antiquorum dates to the 1990s. A platinum edition of 90 with a salmon dial, the 1575-1 of 1994, is tied by Phillips and Christie's to the Santos Dumont's 90th anniversary.
Ref. 78097 · c. 1970s–1980s
Photos by @voys_time
Photos by @voys_time
The Santos Dumont of the 1970s and 1980s in 18k yellow gold: a 25 × 36 mm case on a leather strap, a white dial signed Paris on some examples, and the hand-wound Cartier Cal. 78-1. Yves Saint Laurent wore one, photographed on his wrist by Horst P. Horst for Vogue in 1971.
9 documented references across 2 eras
| Reference | |
|---|---|
![]() | Ref. 7809718k Yellow Gold · Manual-wind |
![]() | Ref. 7822518k white gold with 18k yellow gold bezel · Manual-wind |
| Ref. 9605318k Yellow Gold · Manual | |
![]() | Ref. 9605418k Yellow Gold · Manual-wind |
| Ref. 9606118k yellow gold with 18k white gold bezel · Manual-wind | |
| Ref. 9606218k Yellow Gold · Manual |
| Reference | |
|---|---|
![]() | Ref. 1575Platinum (950) · Manual-wind |
| Ref. 157618k Yellow Gold · Manual-wind | |
![]() | Ref. 82105418k Yellow Gold · Manual |
Choose your reference, set its condition, and see what it's likely to bring. Each estimate uses sales of that exact reference where there are enough of them.
The typical public example: light wear, original-looking dial, runs well. This is the baseline.
Median of 4 sales of Ref. 1575, Nov 2023 to Nov 2026.
Market value is what watches like this sell for publicly, fees included. A dealer buying to resell pays less, because they carry the cost and risk of the resale.
From December 2023 to November 2024, 4 counted sales of Ref. 1575 ran from $22,500 to $48,950, with a middle price of $33,100. The most recent was $48,950 at Phillips Hong Kong in November 2024.
| Date | Ref. | Where | Details | Counts as | Price |
|---|---|---|---|---|---|
| Nov 2024 | 1575-1 | Phillips Hong KongAuction | TOKI sale. Lot 91, 90th anniversary, no. 42/90, salmon dial. Full set: Odakyu 1994 guarantee, boxes. Very well preserved. | This reference | HK$381,000≈ $48,950 |
| Sep 2024 | 1575B | Phillips GenevaAuction | Online sale. Lot 27, c.2000, case 0063MG, ivory guilloché dial, certificate, box, extra strap. Same watch sold Jun 2021 for HK$189,000. | This reference | CHF 19,050≈ $22,500 |
| Jun 2024 | 1575 | Antiquorum Hong KongAuction | Lot 233, limited edition 46/50, silver dial with Roman numerals, dial graded as new, box, certificate, booklet. | This reference | HK$200,000≈ $25,600 |
| Dec 2023 | 1575-1 | Christie's Geneva (via Collector Square)Auction | Online sale. Lot 259, no. 49/90, salmon dial, no box or papers. Index does not state the currency; CHF assumed. Est. 12-18k. | This reference | CHF 35,280≈ $40,550 |
| Jun 2021 | 1575B | Phillips Hong KongAuction | Case 0063MG (resold Sep 2024), certificate and box. | Not countedolder than the five-year window | HK$189,000≈ $24,350 |
| May 2020 | 1575 | Sotheby's New York (via Collector Square)Auction | Silvered guilloché dial. | Not countedolder than the five-year window | $10,000 |
| Jul 2018 | 1575 | Artcurial Monaco (via Collector Square)Auction | Silver dial, box and certificate. | Not countedolder than the five-year window | EUR 7,150≈ $10,000 |
| May 2018 | 1575-1 | Sotheby's Geneva (via Collector Square)Auction | Salmon dial, 28/90. | Not countedolder than the five-year window | CHF 12,500≈ $14,300 |
| Dec 2017 | 1575B | Bonhams New York (via Collector Square)Auction | Sunburst guilloché dial. | Not countedolder than the five-year window | $6,250 |
| Nov 2017 | 1575-1 | Sotheby's Geneva (via Collector Square)Auction | Salmon dial, 3/90. | Not countedolder than the five-year window | CHF 8,750≈ $10,000 |
| Oct 2017 | 1575-1 | Christie's (via Collector Square)Auction | Online sale. Salmon dial, 90th anniversary. | Not countedolder than the five-year window | $7,500 |
Sales from November 2023 to November 2026, or from the last five years for a reference with fewer than three in that time. Only sales that name a reference count toward its estimate; sales of the rest of its version are shown for comparison and never folded in. Auction prices include the buyer's premium unless a row says hammer; dealer prices are the price at sale. Currency figures are converted near the sale date. Hammer prices are marked and exclude the buyer's premium. Rows via Collector Square come from its public results index and should be confirmed at the auction house. Results that some houses show only to signed-in visitors are read from the house's own page with an Archiva account. The platinum variant mixes the 90th-anniversary salmon dial, which brings the most, with the standard silver dial. The condition and option adjustments, the expected bid (75 to 85% of market value) and the auction range (62 to 72%) are working assumptions, to be replaced by Archiva's own bids as they come in. A sale far above or below the other sales of its reference is listed but not counted, so one unusual result can't pull the estimate. An estimate from public results, not an appraisal.
What every buyer, inheritor, and first-time collector should know.
Introduced 1977
A microscopic 'CARTIER' hidden within the Roman numerals, present on every genuine post-1977 dial.
Varies by origin and era
A Cartier case carries the Cartier signature, a reference and serial number on later pieces, and small struck marks for the metal and the case maker. Which marks appear depends on where the case was made: an eagle's head on Paris gold, JC and a date letter on London cases, the Helvetia head on Swiss 18k before 1995. The hallmarks guide shows what each one means.
Varies by era and model
Cartier sourced movements from various Swiss manufacturers throughout history, including Jaeger-LeCoultre, Frédéric Piguet, ETA, and in-house production. Knowing the correct caliber for a specific reference is essential for identifying the watch and establishing provenance.
A Cartier hallmark since the early 20th century
The blue sapphire (or spinel on less precious models) cabochon crown is a Cartier signature. Original crowns show consistent color saturation and are set flush with the crown body. Replacements often show misalignment or incorrect stone dimensions that reveal themselves under magnification.
Check the clasp first
Cartier bracelets carry their own reference markings and the deployment clasp should bear the Cartier name and logo. Aftermarket bracelets are extremely common on vintage pieces, so checking that the clasp is original and that reference numbers match is crucial to the overall picture.
Patina tells the story
Vintage Cartier dials develop characteristic aging: cream dials warm to ivory, lacquer dials may develop fine crazing, and applied indices can show legible wear patterns. Understanding acceptable versus concerning dial aging is key to valuing a vintage piece accurately.
Direct answers about the Cartier Santos Dumont, drawn from the reference records below.
Identify which Santos Dumont reference you have, understand its place in the lineage, and decide whether to keep, insure, or sell.
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