San Martin · Factory brand · China
San Martin SN007 40mm (Seagull ST1901)
- Seagull ST1901
- 41 mm × 14.2 mm
- Sapphire crystal
- 100 m water resistance
Where to buy
- San MartinWorldwide
Movement
- Caliber
- Seagull ST1901
- Type
- Hand-wound
- Tier
- Mid
- Complications
- Small seconds, Chronograph
- Frequency
- 21,600 bph
- Power reserve
- —
- Hacking
- —
- Accuracy (factory)
- —
Case
- Diameter
- 41 mm
- Lug to lug
- 49.7 mm
- Thickness
- 14.2 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 100 m
- Crown
- Screw-down
- Case back
- —
- Bezel
- steel insert
- Finishing
- Brushed caseback
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- Super-LumiNova C3 (green) on hands and markers
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- Yes
- Link attachment
- —
- Taper
- 20 → 18 mm
- Quick release
- —
- Half links
- —
- Clasp
- Fold-over
- Micro-adjust
- —
- Diver extension
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
- Stated weight (basis not given)
- 180 g
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| All | — | Street | 349 USD | $349 | 2026-10-24 | link |
Variants
| Name | Reference | Dial |
|---|---|---|
| Sunray gun gray dial | SN007-G-JS | gray |
About this entry
74% of key specs known. Missing: hardening, bracelet links, end links, link attachment, clasp micro-adjust.
A hand-wound chronograph sold under the SN007 code (written "SN0007-G-JS" in its spec list) as the "62mas Chronograph", in its own case. Brand specs: 316L, "40mm in diameter" with a 41mm bezel (diameter_mm records the larger figure, per the data guide), 49.7mm lug-to-lug, 14.2mm (not stated whether that includes the crystal), 20mm lugs, sapphire with AR coating (side not stated), stainless steel "chronograph bezel" (type and scale not stated), sunray gun gray dial with applied hexagon logo, GS-style hands, SLN C3 green lume on hands and markers, screw-down crown with 3D "S" logo, brushed screw-down caseback, solid 316L bracelet 20mm tapering to 18mm with a folding clasp with safety (no micro-adjust mentioned), 100m, about 180g (not stated what was weighed). The listing describes a 30-minute counter at 3 and small seconds at 9, as on the ST1901. Sold with or without logo at $349; both 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, SN007-G-JS "62mas Chronograph 40mm" with ST1901 accessed 2026-10-24