San MartinSN0053
Homage to the Tudor Black Bay 36
about$288
Regular price at the brand's own website, checked 31 Oct 2026. Marketplace prices change often.
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The San Martin SN0053 Enamel Dial Watch is a homage to the Tudor Black Bay 36, with a 40 mm case, 4 mm larger. It uses an automatic movement and is water resistant to 100 m. It costs about $288 at the official store.
Side by side with the original
Compared with reference M79500. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | SN0053 | Black Bay 36 (M79500) | Difference |
|---|---|---|---|
| Case diameter | 40 mm | 36 mm | +4 mm |
| Lug-to-lug | ≈ 47 mm | Not published | Can't compare |
| Thickness | 12.25 mm | ≈ 10.5 mm | +1.75 mm |
| Lug width | ≈ 20 mm | ≈ 19.5 mm | +0.5 mm |
| Water resistance | 100 m | 150 m | |
| Movement | Automatic, NH35 | Automatic, ETA 2824 (modified by Tudor) | |
| Power reserve | Not published | 38 h | |
| Crystal | Sapphire, aR coating | Sapphire | |
| Bezel | Fixed, brushed | Fixed, smooth polished steel | |
| Case material | 316L stainless steel | Stainless steel | |
| Lume | BGW-X1 blue (hands and markers) | White luminous material on indices and hands | |
| Bracelet | 5-link solid 316L stainless steel bracelet, 20 mm x 16 mm | Steel Oyster-style, brushed centre links with polished sides, tapering 19 to 16 mm | |
| Weight | 143 g | Not published |
- ≈ SN0053, Lug-to-lug: median of 2 agreeing independent measurements (47 mm); the brand states 48.5 mm.
- ≈ SN0053, Lug width: median of 2 agreeing independent measurements (20 mm); the maker does not publish it.
- ≈ Black Bay 36, Thickness: median of 2 agreeing independent measurements (10.4–10.5 mm); the maker does not publish it.
- ≈ Black Bay 36, Lug width: median of 2 agreeing independent measurements (19–20 mm); the maker does not publish it.
The original
Tudor
Black Bay 36
Reference M79500, steel oyster-style bracelet
- Case
- 36 mm
- Lug-to-lug
- Not published
- Thickness
- ≈ 10.5 mm
- Water resistance
- 150 m
- Movement
- Automatic, ETA 2824 (modified by Tudor)
- 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 diameter0 / 124 mm apart
- Lug-to-lug0 / 8Not published, left out
- Thickness2.5 / 61.8 mm apart
- Lug width3 / 40.5 mm apart
Design signatures— / 40
- Angular snowflake hour and minute hands0 / 10Arrow-shaped hour hand and a sword minute hand; no snowflake hands.
- Large applied luminous hour markers, triangle at 12 and rectangles at 3, 6 and 94.5 / 9Large applied round plots and bars with a triangle at 12.
- Smooth fixed polished steel bezel with no timing scale3.5 / 7Fixed bezel, brushed rather than polished.
- Glossy dial with raised indices6 / 6Enamel sunray dial with applied indices.
- Oyster-style bracelet with brushed centre links and curved end pieces0 / 4Five-link bracelet, not an Oyster-style one.
- Diamond-shaped lume plot near the seconds hand tip2 / 4Seconds hand with a round lume dot near the tail, not a diamond near the tip.
Functions and materials— / 20
- Complications4 / 8Date at 3 added; the original record lists no date.
- Bezel action4 / 4Fixed bezel on both.
- Case and bezel materials4 / 4Steel case and bezel.
- Crystal shape and date window4 / 4Sapphire with AR coating.
Movement type— / 10
- Movement type10 / 10Same movement type.
What reviewers and owners say
We haven't read enough independent reviews of this model to summarise them yet.
Good
- Fixed bezel with an enamel dial
- On-the-fly clasp
- Sapphire crystal with AR coating
- Measured lug to lug (47 mm) is shorter than the 48.5 mm listed
Less good
- Hands are not snowflake
- Only 100 m water resistance
- Brand diameter and lug-to-lug figures are larger than measured
Versions and colours
- Silver Blue dialIts own colourway, not on the originalabout $288
- Gold Brown dialIts own colourway, not on the originalabout $288
Compare
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.