Very rare TROPIC STAR vintage watch band from the 1960s.
The BESTFIT TROPIC brand was the leader of the diver / rally watch bands in the 1960s, and for this reason it was the main supplier of top quality straps and bands for the most important watchmakers in that period.
The watch band is marked 18 mm | TROPIC STAR | WATER PROOF | 23218 | MOD. DEP. | SWISS MADE.
The short piece is ca. 75 mm, the long piece is ca. 115 mm.