San Martin · Factory brand · China
San Martin SN012 40mm (Miyota 8315)
- Miyota 8315
- 40 mm × 12.5 mm
- Sapphire crystal
- 200 m water resistance
Where to buy
- San MartinWorldwide
Movement
- Caliber
- Miyota 8315
- Type
- Automatic
- Tier
- Entry
- Complications
- Hours, Minutes, Seconds
- Frequency
- 21,600 bph
- Power reserve
- 60 h
- Hacking
- Yes
- Accuracy (factory)
- -20 / +40 s/day
Case
- Diameter
- 40 mm
- Lug to lug
- 51 mm
- Thickness
- 12.5 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 200 m
- Crown
- Screw-down
- Case back
- Solid
- Bezel
- —
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- BGW9 (the white dial is fully lumed)
Bracelet & clasp
- Style
- Jubilee
- Links per row
- 5
- Solid end links
- —
- Solid links
- Yes
- Link attachment
- —
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- Fold-over
- Micro-adjust
- —
- Diver extension
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
- Stated weight (basis not given)
- 165 g
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| All | — | Street | 278 USD | $278 | 2026-10-24 | link |
Variants
| Name | Reference | Dial |
|---|---|---|
| Matte black dial | SN012-G | black |
| Luminous white dial | SN012-G | white |
About this entry
79% of key specs known. Missing: hardening, end links, link attachment, clasp micro-adjust.
The SN012-G listing ("Model: SN0012-G") sells the same watch with a Miyota 8215 (40-hour power reserve) at $238 or a Miyota 8315 (60 hours) at $278; this file is the 8315 version and sn012-8215 the 8215 one. The newer SN0012-GB (sn012-st2130, Seagull ST2130) is quoted at 48.5mm lug-to-lug and 12.3mm, so its case is not the same. Brand specs: 316L, 40mm, 51mm lug-to-lug, 12.5mm including crystal, 20mm lugs, sapphire with AR coating (side not stated), matte black or fully luminous white dial, broadsword hands, BGW-9 lume, screw-down crown, solid caseback, solid five-bead (jubilee-style) steel bracelet, "solid turtle folding clasp" (no micro-adjust mentioned), 200m, about 165g (not stated what was weighed). Photos show a black bezel with a 15/30/45 scale; the listing doesn't describe the bezel. Each dial is sold with or without the logo at the same price. Photos show no date window, so complications are time only. Every variation showed "Out of stock" on 2026-10-24, so production status is unknown.
Last verified: 2026-10-24. Edit or correct this entry.
Sources
- San Martin official store, SN012-G "Miyota 8215&8315" accessed 2026-10-24