Available $388 40mm

San Martin
SN0154-G
Gradiend Black
Buy it directly from the brand's website.
A Dive watch, in a round stainless steel case, 40mm, with a black hobnail dial, mercedes hands and applied metal indices, powered by the TMI NH35A.
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 340 tracked dive watches in this size and price class, ranging from USD 305 to USD 499. This reference first launched in July 2024.
Diameter
40mm
Thickness
15mm
Movement Type
automatic
Movement Name
TMI NH35A
Water resistance
10 bar
Crystal Type
acrylic
Crystal Description
LEXAN Polycarbonate
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 16 points over the past 179 days. The high point in that window was a score near 19, reached in June 2026. This reference's scarcity is roughly 31 points below what's typical for Undone.
This reference has no sell-out history of its own yet. How Undone models usually sell out and restock
No rush
Brand pattern · 136 models
About 60% of this brand's tracked models are currently in stock.
Scarcity rank (in its segment)Top 90%
Price vs segment24% below segment median
Last confirmed:
Tracked since 9/15/25 (412 days).
Available2/18/26
8 months straight
November 2025
Today
Unknown · for 12 hours2/17/26
Available · for 2 days2/15/26
Unknown · for 12 hours2/15/26
Available · for 22 days1/24/26
Unknown · for 12 hours1/23/26
Available · for 4 days1/20/26
Unknown · for 12 hours1/19/26
Available · for 22 days12/28/25
Unknown · for 12 hours12/27/25
Available · for 29 days11/28/25
Unknown · for 12 hours11/28/25
Available · for 20 days11/8/25
Unknown · for 12 hours11/7/25
Currently priced at $325.00, with 8 price changes recorded over the tracked period. The lowest recorded price was $276.25 on 11/28/25; the highest was $340.02 on 9/1/26. That's up from the $325.00 it was first tracked at.
$325.00 USD9/13/26
$276.25
Mid-range for the tracked period
$340.02
$340.02 · up $15.029/1/26
$325.00 · up $15.004/17/26
$310.00 · down $15.004/16/26
$325.00 · up $16.004/14/26
$309.00 · down $16.002/2/26
$325.00 · up $48.7512/1/25
$276.25 · down $48.7511/28/25
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