Thorn SHY028 BB58 Snowflake DivervsSan Martin BB58


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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.

SHY028 BB58 Snowflake Diver

BB58
Diameter
39mm
40mm
Lug-to-Lug
46mm
n/a
Thickness
13mm
n/a
Water Resistance
200m
200m
MSRP
$169
$158
lowest
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 widely praise the Thorn SHY028 39mm BB58 Snowflake Diver Watch for its versatile 39mm case size, vintage feel, and quality construction at its price point. Specific details like yellowish hands and the "200m - 600 ft" font are highlighted as desirable vintage touches, and the watch is noted for having real wrist presence. Some owners find the bracelet requires an additional oyster link for full micro-adjustment utility, and one owner described the lume as just okay and the bezel as a little stiff. Overall, owners rate the Thorn SHY028 39mm BB58 Snowflake Diver Watch highly for its comfortable wearability and vintage aesthetic at an accessible price.
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.
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