In general, ref. 3597 appears to be an extremely rare bird, with about 20 examples known in total. However, it was available in 3 gold colors, and three different configurations are known: a leather strap version (3597), a milanese-style bracelet version (/1), and the present “drilled” bracelet (/2) (a third bracelet-style (/3) apparently exists but is not known from the market).

Ref Variations: 3597-2,3597-1, Etc.