San Martin BB58vsZelos Swordfish 40mm


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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

BB58

Swordfish 40mm
Diameter
40mm
40mm
Lug-to-Lug
n/a
46mm
Thickness
n/a
12mm
Water Resistance
200m
200m
MSRP
$158
lowest
$349
Movement
Seiko NH35
Seiko NH35
Case
4 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Zelos Swordfish 40mm for its exceptional value, tool-watch aesthetic, and solid construction, with many highlighting the comfortable wearability and well-executed design. The bracelet is frequently noted as easy to size and comfortable, and the Seiko NH35 movement is considered reliable, with one owner reporting remarkable accuracy of +/- 1 second per day. Some reviewers and owners, however, point to sharp edges on the bracelet clasp or edges and a stiff bezel action. The Zelos Swordfish 40mm is also available in various materials like bronze and titanium, and features unique dial options such as meteorite and full lume. Overall, owners and reviewers rate the Zelos Swordfish 40mm highly for its impressive build quality and distinctive design at its price point.
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