San Martin · Factory brand · China

San Martin SN008 40mm (NH35)

Ref. SN008-G-B · Diver

Design reference: Tudor Black Bay 58

From $238
  • Seiko NH35A
  • 40 mm × 11.95 mm
  • Sapphire crystal
  • 200 m water resistance

Where to buy

Movement

Type
Automatic
Tier
Entry
Complications
Hours, Minutes, Seconds
Frequency
21,600 bph
Power reserve
41 h
Hacking
Yes
Accuracy (factory)
-20 / +40 s/day

Case

Diameter
40 mm
Lug to lug
48 mm
Thickness
11.95 mm
Lug width
20 mm
Material
Steel (316L)
Hardening
—
Water resistance
200 m
Crown
Screw-down
Case back
—
Bezel
ceramic insert, lumed
Finishing
Brushed caseback

Crystal & dial

Crystal
Sapphire
Shape
—
Anti-reflective
Yes (side not stated)
Lume
BGW9 (blue glow) or C3 (green) depending on dial, on hands and markers

Bracelet & clasp

Style
Oyster
Links per row
3
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)
150 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
All—Street238 USD$2382026-10-24link

Variants

NameReferenceDial
Matte black dialSN008-G-Bblack
Matte blue dialSN008-G-Bblue
Dark green dialSN008-G-Bgreen
Light green dialSN008-G-Bgreen
Grey dialSN008-G-Bgray

About this entry

79% of key specs known. Missing: hardening, end links, link attachment, clasp micro-adjust.

The NH35 SN008 (written "SN0008-G-B" in the listing's spec list). Brand specs: 316L, 40mm, 48mm lug-to-lug, 11.95mm (not stated whether that includes the crystal), 20mm lugs, sapphire with "Blue Light AG Coating" (recorded as AR coated, side not stated), ceramic bezel with lumed 12 o'clock marker (direction and clicks not stated), matte black, matte blue, dark green, light green or grey dial with applied hexagon logo, GS-style snowflake hands, "BGW-9 Blue Light/ C3 Green Light" lume (which dial gets which is not stated), screw-down crown with 3D hexagon logo, brushed screw-down caseback, solid 316L "classic 3 links" bracelet with female end links and a folding clasp with safety (no micro-adjust mentioned), 200m, about 150g (not stated what was weighed). All dials are $238. The brand's own image names call it a "Vintage BB58", kept as inspired_by. Photos show no date window, so complications are time only. The store also sells a PT5000/SW200 "SN008G" listing (quoted at about 11.5mm and 140g), recorded in sn008-pt5000 and sn008-sw200, not in this file. 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