San Martin · Factory brand · China

San Martin SN0112 38mm

Ref. SN0112-G GMT · Diver, GMT

From $299
  • Seiko NH34A
  • 39 mm × 13.4 mm
  • Sapphire crystal
  • 200 m water resistance

Where to buy

Movement

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

Case

Diameter
39 mm
Lug to lug
46 mm
Thickness
13.4 mm
Lug width
20 mm
Material
Steel (316L)
Hardening
—
Water resistance
200 m
Crown
Screw-down
Case back
—
Bezel
Bidirectional

Crystal & dial

Crystal
Sapphire
Shape
Box
Anti-reflective
Yes (side not stated)
Lume
BGW9

Bracelet & clasp

Style
Oyster
Links per row
3
Solid end links
—
Solid links
Yes
Link attachment
—
Taper
20 → 16 mm
Quick release
—
Half links
—
Clasp
Fold-over
Micro-adjust
On-the-fly, "Fly Adjustable Clasp"
Diver extension
—

Weight

Head only
—
On bracelet
—
On strap
—
Stated weight (basis not given)
145 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
All—Street299 USD$2992026-10-24link

Variants

NameReferenceDialBezel
GMT bezelSN0112-G GMTenamel black24-hour GMT ceramic insert
World Time bezelSN0112-G GMTenamel blackworld time (city names) insert
Steel bezelSN0112-G GMTenamel blackstainless steel, engraved 24-hour scale

About this entry

84% of key specs known. Missing: hardening, end links, link attachment.

Brand specs: 316L, 38mm case with a 39mm bezel (the larger figure is recorded), 46mm lug-to-lug, 13.4mm (not stated whether it includes the crystal), 20mm lugs, "top hat" sapphire with AR coating (side not stated), bidirectional bezel with a choice of world time, 24-hour GMT ceramic or stainless steel inserts, enamel black dial with applied indices and date window, sword hands with a GMT hand, BGW-9 lume on hands and markers, screw-down crown with hexagon logo, screw-down caseback, 200m, 145g (not stated what was weighed). Bracelet: solid 316L, 20mm tapering to 16mm (three-link oyster style in the photos), folding clasp with safety and the "New Fly Adjustable Clasp" (on-the-fly; positions and range not stated). Bezel clicks and lume are not stated; the steel insert's engraved 24-hour scale and the world time insert's city ring are from photos, and the world time insert's material is not stated. All three bezels are $299. Every variation showed "Out of stock" on 2026-10-25, so production status is unknown.

Last verified: 2026-10-25. Edit or correct this entry.

Sources