Glycine Combat Sub Box Ceramic 41mmvsSan Martin BB58

The Glycine Men's Combat Sub Box Ceramic 41mm Automatic Watch is considered a top dive watch under $400 by owners, with its 41mm case size and new thickness being preferable to the 41mm version. The watch arrives in a standard presentation box. Overall, owners rate the Glycine Men's Combat Sub Box Ceramic 41mm Automatic Watch highly for its value proposition in the sub-$400 dive watch category.

Owners widely praise the San Martin BB58 as a high-quality BB58 homage that feels premium for the money; one calls it "basically as close as you can get without paying Tudor prices" and another describes it as fantastic quality for the price. Specific highlights include its gorgeous yet masculine look and the on-the-fly adjustable clasp, which one owner says they have not seen matched on any $1k watch. One owner's own San Martin runs within about 6 seconds per day and has never missed a beat. The main criticism is that one owner would like the riveted links and logo changed, and a forum member notes that some advise avoiding these watches without explaining why. Overall, owners rate the San Martin BB58 very highly for its value and finishing, with the clasp and styling cited as the standout reasons.