The Mini Tonneau on a yellow gold bracelet, well-worn.

Cartier is the house that made the wristwatch a shape rather than a circle: the Tank of 1917, the Tortue of 1912, the Tonneau of 1906, each a case with Roman numerals, blued sword hands and a cabochon in the crown. Cartier makes them in gold and in steel, in quartz and in mechanical, and on the pre-owned market the gold ones sit where a Rolex Datejust does in price and a step above it in how they read across a table.

The Tonneau is Cartier’s barrel-shaped case from 1906, curved to follow the wrist, and the Mini Tonneau Laniere is its smallest form on the integrated gold link bracelet Cartier made in the 1990s and 2000s. In yellow gold it is a bracelet with a dial. Rebag’s Good grade is its honest-wear tier, moderate scratches on case and band, and gold shows scratches more than steel; a polish at a Cartier boutique can bring it back, at a cost, and the listing gives no reference or accessories. Ask for close-ups.

Rebag gives the size as 16, the metal as yellow gold, the movement as quartz, and the condition as Good with moderate wear and scratches on case and band. It gives no reference, no dimensions beyond the width and no accessories. The guilloche Roman dial, cabochon crown and Laniere bracelet are from the photograph.

Rebag authenticates in-house and is not a Cartier authorised dealer, and Amazon adds its 30-day return window. Ask for the reference and the numbers on the caseback, close-up photographs of the wear, and when it was last serviced. Nothing here was measured on the watch.

This unit is sold by Rebag through Amazon Luxury Stores, authenticated by the seller with Amazon’s 30-day return window on top; it is one piece, and when it sells the listing goes away, so the second button opens the live search for Tonneaus.

Gold Cartiers have resold close to what pre-owned buyers paid, sometimes more, sometimes less; that is a pattern, not a promise, and nothing here is investment advice.