San MartinSN0137-G
Homage to the Hamilton Khaki Field Mechanical 38 mm
about$188
Regular price at the brand's own website, checked 31 Oct 2026. Marketplace prices change often.
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The San Martin SN0137-G is a homage to the Hamilton Khaki Field Mechanical 38 mm, with the same 38 mm case size. It uses an automatic movement and is water resistant to 100 m. Its Resemblance Score is 76 out of 100. It costs about $188 at the official store.
Side by side with the original
Compared with reference H69439931. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | SN0137-G | Khaki Field Mechanical (H69439931) | Difference |
|---|---|---|---|
| Case diameter | 38 mm | 38 mm | same |
| Lug-to-lug | 45 mm | 47 mm | −2 mm |
| Thickness | 11.4 mm | 9.5 mm | +1.9 mm |
| Lug width | Not published | 20 mm | Can't compare |
| Water resistance | 100 m | 50 m | |
| Movement | Automatic, NH35 | Hand-wound, H-50 | |
| Power reserve | Not published | 80 h | |
| Crystal | Sapphire, aR coating | Sapphire | |
| Bezel | Not published | Not published | |
| Case material | 316L stainless steel | Stainless steel | |
| Lume | BGW-X1 and C3 on hands and markers | Luminescent numerals and indexes | |
| Bracelet | Not published | Not published | |
| Weight | 72 g | Not published |
The original
Hamilton
Khaki Field Mechanical
Reference H69439931, khaki field mechanical 38 mm, black dial, textile strap
- Case
- 38 mm
- Lug-to-lug
- 47 mm
- Thickness
- 9.5 mm
- Water resistance
- 50 m
- Movement
- Hand-wound, H-50
- List price
- $675
Why it scores 76
Proportions and movement are computed from specs. Design details and functions are judged from the brand's official images. How we score
Proportions18.7 / 30
- Case diameter12 / 12Same size
- Lug-to-lug2 / 82 mm apart
- Thickness2.2 / 61.9 mm apart
- Lug width0 / 4Not published, left out
Design signatures32.5 / 40
- Large Arabic hour numerals on a matte dial12 / 12Large Arabic numerals 1 to 12 on a matte dial, with a 24-hour ring inside them.
- Lumed sword-and-syringe hybrid hands with a lollipop-counterweight seconds hand5 / 10Broad sword hour and minute hands with cream lume and a pointed seconds hand with a lume tip; there is no syringe shape or lollipop counterweight.
- Plain three-hand dial with no date and no sub-dials8 / 8Three hands, no date window and no sub-dials in the official images.
- Matte, bead-blasted stainless steel case with no polished surfaces5 / 5Bead-blasted steel case with no polished surfaces; the brand lists a bead-blasted caseback too.
- NATO-style textile strap2.5 / 5Nylon strap with sewn leather keepers and a leather lining, in green or black; the original's strap is a plain NATO style.
Functions and materials20 / 20
- Complications8 / 8Time only with no date window, as on the original.
- Bezel action4 / 4No bezel, as on the original.
- Case and bezel materials4 / 4Steel case; the original's case is also stainless steel.
- Crystal shape and date window4 / 4Sapphire with AR coating and no cyclops, as on the original's sapphire.
Movement type5 / 10
- Movement type5 / 10Related movement type.
What reviewers and owners say
We haven't read enough independent reviews of this model to summarise them yet.
Good
- Compact 38 mm case with drilled lugs
- Bead-blasted matte case
- Large 24-hour-ring dial with two lume colours
- Sapphire crystal
- Automatic NH35 movement
Less good
- Only one review of this model so far
- The movement has a ghost date position on a dateless watch in the one review
- Sword hands rather than the original's syringe shape
Versions and colours
- Retro green dial, green nylon strapIts own colourway, not on the originalabout $188
- Matte black dial, black nylon strapIts own colourway, not on the originalabout $188
Compare
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.