Available $328 37mm

San Martin
SN0138B2
Gradient Black
Buy it directly from the brand's website.
A Dive watch, in a round stainless steel case, 37.4mm, with a black matte dial, broad arrow hands and dot indices, powered by the Miyota 9015.
It is currently available to buy directly from the brand. Within its segment, this reference is priced near the middle of the pack, close to what comparable watches typically cost. This segment covers 31 tracked dive watches in this size and price class, ranging from USD 300 to USD 499. This reference first launched in January 2022.
Diameter
37.4mm
Lug to lug
45mm
Between lugs
18mm
Thickness
13mm
Weight
166g
Movement Type
automatic
Movement Name
Miyota 9015
Water resistance
30 bar
Crystal Type
sapphire
Crystal Description
Bombé sapphire with anti-reflective coating on the underside, 28mm diameter x 2.5mm thick
Its scarcity score of 0/100 is the lowest possible, placing it among the easiest-to-get tracked watches in the catalog. Its scarcity score has fallen about 13 points over the past 179 days. The high point in that window was a score near 13, reached in May 2026. That's in line with Timefactors's catalog overall.
This reference has no sell-out history of its own yet. How Timefactors models usually sell out and restock
Worth tracking
Limited data
Currently available with no strong urgency signal either way.
Scarcity rank (in its segment)Top 90%
Price vs segment5% below segment median
Last confirmed:
2 availability changes recorded. Available once, for 200 days, on 9/16/25. Longest sold-out stretch: 8 days. Last restocked on 4/13/26.
Tracked since 9/16/25 (410 days).
Available4/13/26
7 months straight
November 2025
Today
Sold out · for 9 days4/4/26
Currently priced at $360.00, down from $482.29 on 10/12/26.
$360.00 USD10/12/26
$360.00
At its lowest recorded price
$482.29
$482.29 · up $122.298/31/26
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