San Martin San Martin Diving SN0009
$278In stock
Case
- Diameter
- 44mm
- Material
- Stainless Steel
- Water resistance
- 300m
Crystal & dial
- Crystal
- Sapphire
Movement
- Caliber
- Seiko NH35
- Type
- Automatic
Seiko
Seiko's third-party supply version of the 4R35, sold to external watch brands and modders worldwide. Adds hacking and hand-winding over the 7S26 it effectively replaced. The NH35 has become the default automatic movement for watch modding and microbrand watches, thanks to its low cost, reliability, and wide availability of compatible parts including dials, hands, and cases in the Seiko-compatible format.
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- mercedes
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2 colorways
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Retail$278
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Source 3 reports a 40mm case size, which directly contradicts the ground-truth spec of 44mm for the San Martin Diving SN0009. Per the VARIANT DISCIPLINE and GROUND-TRUTH SPECS rules, I must drop this clause — it describes a different variant (likely an earlier generation or sibling model sharing the name). Source 4 mentions the "SN0009-GB" variant explicitly — a different configuration from the SN0009. Per VARIANT DISCIPLINE, I keep the scoping ('the SN0009-GB') and do not restate its specific traits as traits of the base SN0009. **Remaining concrete observations for San Martin Diving SN0009:** - **Source 1**: Praiseworthy aesthetics ("great," "stunning"); serious QC issue (scratched AR coating on received unit); severe warranty/customer service failure (refusal of support, dismissive responses, expensive return-to-China requirement). - **Source 2**: Enamel dial, BGW-X1 lume, on-the
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