Thorn SHY027 BB58 Vintage DivervsSan Martin BB58

Owners widely praise the Thorn SHY027 39mm BB58 Vintage Diver Automatic Watch for its authentic 1958 vintage aesthetic and compact 39mm case, which provides a vintage, old-school tool watch feel. The watch features Mercedes-style hands and a domed sapphire crystal. Some owners find the finishing and bracelet quality to be less refined than competitors, and the riveted bracelet is noted as difficult to adjust. One reviewer flags the lume as bright but short-lived. Overall, owners and reviewers rate the Thorn SHY027 39mm BB58 Vintage Diver Automatic Watch well for its vintage aesthetic and compact case proportions at its price point.

Owners rate the San Martin BB58 very highly for its build and value. Multiple owners praise the on-the-fly micro-adjust clasp as solid, functional and a standout addition, with one saying they have not seen a $1k watch that can touch it, and another calling the BB58 the superior homage to the original and "basically as close as you can get without paying Tudor prices." Owners describe it as premium rather than cheap, and one calls its quality fantastic for the price. Criticism is limited to one owner's objections to the riveted bracelet links and the logo. Overall, owners rate the San Martin BB58 as a standout value because its clasp, finishing and build punch well above its price.