*RARE* 1920s Patek Philippe “Tank Style” | Ref. 439 | Wenger Case | 18kt Yellow Gold

  Born from a time when style was defined by restraint, this elusive Tank-style watch, reference 439, embodies quiet sophistication. With just a handful documented examples, it stands as a true collector’s gem. As your journey into horology deepens, it's these understated treasures that begin to resonate, pieces where proportion, detail, and presence come together in perfect harmony. Crafted in solid 18kt gold, this remarkable piece retains all its original hallmarks and features, matching serial numbers across all three case components: the case-back, Top, and movement holder. Based on documented examples, the movement dates to the late 1920s, during the pre-Stern family era of Patek Philippe. In the wake of the 1929 economic crash, demand for luxury timepieces diminished significantly, and it wasn’t until the late 1930s that this movement was finally encased, allowing it to emerge with all the quiet grace. Marked with the Key Number 1 hallmark, this case was crafted by Wenger, one o