Produced during the 1970s, this example comes from the period before Cartier consistently engraved the reference number on the caseback. Accordingly, the caseback bears only its individual serial number and no reference number- an important detail consistent with its status as a pre-reference example of what would later be designated reference 78087.

The design itself is quintessential Cartier. The compact rectangular case is framed by the Tank’s signature parallel brancards, while the white dial, black Roman numerals, and slender hands create the graphic clarity that has made the Tank one of the maison’s most enduring designs.

What makes this example particularly appealing is its scale. At 21mm x 28mm, it has the petite proportions of a true vintage jewelry watch while retaining the unmistakable presence of the Tank. The warm 18k yellow gold case and leather strap give it an understated elegance that transitions effortlessly between casual and formal wear.

Powered by a manually wound movement and preserved in excellent vintage condition, this pre-reference Mini Tank is a beautiful representation of 1970s Cartier design, with the serial-only caseback adding an especially interesting detail for collectors of early examples.