San MartinSN0127-G-JS
Homage to the Breguet Type XX / Type 20 Chronographe
about$199
Regular price at the brand's own website, checked 31 Oct 2026. Marketplace prices change often.
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The San Martin SN0127-G-JS 39.5 mm Retro Chronograph is a homage to the Breguet Type XX / Type 20 Chronographe, with a 39.5 mm case, 2.5 mm smaller. It uses a quartz movement and is water resistant to 100 m. It costs about $199 at the official store.
Side by side with the original
Compared with reference 2057ST/92/3WU. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | SN0127-G-JS | Type XX (2057ST/92/3WU) | Difference |
|---|---|---|---|
| Case diameter | 39.5 mm | 42 mm | −2.5 mm |
| Lug-to-lug | 48 mm | Not published | Can't compare |
| Thickness | 11.9 mm | 14.1 mm | −2.2 mm |
| Lug width | Not published | Not published | Can't compare |
| Water resistance | 100 m | 100 m | |
| Movement | Quartz, VK64 | Automatic, 7281 | |
| Power reserve | Not published | 60 h | |
| Crystal | Mineral, aR coating | Not published | |
| Bezel | No-click bidirectional stainless steel chronograph bezel | Fluted, bidirectional, non-engraved | |
| Case material | 316L stainless steel | Stainless steel | |
| Lume | SLN C3 green lume on hands and markers | Mint-green luminescent paint on numerals, hands and bezel triangle | |
| Bracelet | Quick-release suede leather strap with beige stitching, 20 mm x 18 mm | Calfskin strap and a NATO-style fabric strap, quick-release | |
| Weight | 66 g | Not published |
The original
Breguet
Type XX
Reference 2057ST/92/3WU, type 20 chronographe, steel, black dial, calfskin and nato straps
- Case
- 42 mm
- Lug-to-lug
- Not published
- Thickness
- 14.1 mm
- Water resistance
- 100 m
- Movement
- Automatic, 7281
- List price
- Not published
Why it scores as it does
Proportions and movement are computed from specs. Design details and functions are judged from the brand's official images. How we score
Lug-to-lug is neither published nor measured for one of the two watches, so there is not enough data to score.
Proportions— / 30
- Case diameter2 / 122.5 mm apart
- Lug-to-lug0 / 8Not published, left out
- Thickness1.6 / 62.2 mm apart
- Lug width0 / 4Not published, left out
Design signatures— / 40
- Fluted bidirectional bezel with a luminous triangle5 / 10Rotating bidirectional bezel with a triangle at 12 and a grooved edge; the numerals are engraved and the edge is not fluted like the original.
- Arabic numerals with mint-green luminous paint4.5 / 9Large Arabic numerals, but filled with cream lume that glows green; the original's paint is mint green.
- Two-register dial: large minute counter at 3 and small seconds at 94 / 8Two sub-dials at 3 and 9; the 3 o'clock one carries a 24 scale, so the layout differs from a minute counter and small seconds.
- Pear-shaped ('onion') crown0 / 5Crown is a plain ridged cylinder.
- Sculpted lugs with a wide chamfer0 / 4Straight, flat-sided lugs with no wide chamfer.
- Pencil-style hands1 / 2Lume-filled baton-style hands with a tapered tip, thicker than pencil hands.
- Date window between 4 and 5 o'clock0 / 2No date window.
Functions and materials— / 20
- Complications4 / 8Two-register chronograph without date; quartz timing, not a flyback automatic.
- Bezel action4 / 4Rotating bidirectional bezel, as on the original.
- Case and bezel materials4 / 4Stainless steel case and bezel.
- Crystal shape and date window2 / 4K1 mineral glass; the original's crystal type is not recorded.
Movement type— / 10
- Movement type0 / 10Different movement type.
What reviewers and owners say
We haven't read enough independent reviews of this model to summarise them yet.
Good
- Compact 39.5 mm case
- Rotating bidirectional bezel with a triangle at 12
- Quick-release suede strap
- Screw-down crown and caseback
Less good
- Quartz movement (a VK64 chronograph), where the original is an automatic flyback
- Mineral glass rather than sapphire
- No date window
- Strap only; no bracelet option listed
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.