ThornSHY039
Homage to the Blancpain Fifty Fathoms Automatique
about$189
Regular price at the brand's own website, checked 1 Nov 2026. Marketplace prices change often.
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The Thorn SHY039 Bronze Humidity-Indicator Diver is a homage to the Blancpain Fifty Fathoms Automatique, with a 40 mm case, 5 mm smaller. It uses an automatic movement and is water resistant to 200 m. It costs about $189 at the official store.
Side by side with the original
Compared with reference 5015 1130 71S. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | SHY039 | Fifty Fathoms (5015 1130 71S) | Difference |
|---|---|---|---|
| Case diameter | 40 mm | 45 mm | −5 mm |
| Lug-to-lug | 50.4 mm | Not published | Can't compare |
| Thickness | 14.2 mm | 15.5 mm | −1.3 mm |
| Lug width | Not published | 23 mm | Can't compare |
| Water resistance | 200 m | 300 m | |
| Movement | Automatic, NH35A | Automatic, 1315 | |
| Power reserve | Not published | 120 h | |
| Crystal | Sapphire | Not published | |
| Bezel | 120-click unidirectional rotating bezel, Ceramic | Unidirectional rotating, sapphire-topped, Sapphire | |
| Case material | CuSn8 tin bronze, with a 316L stainless steel case back | Steel | |
| Lume | Swiss C3 super-luminous, green glow | Not published | |
| Bracelet | Nylon strap, 20 mm band width | Steel | |
| Weight | 78 g | Not published |
The original
Blancpain
Fifty Fathoms
Reference 5015 1130 71S, black dial, black sapphire-topped bezel, steel bracelet
- Case
- 45 mm
- Lug-to-lug
- Not published
- Thickness
- 15.5 mm
- Water resistance
- 300 m
- Movement
- Automatic, 1315
- List price
- $22,700
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 / 125 mm apart
- Lug-to-lug0 / 8Not published, left out
- Thickness3.4 / 61.3 mm apart
- Lug width0 / 4Not published, left out
Design signatures— / 40
- Unidirectional bezel topped with sapphire, with luminous markings6 / 12Black ceramic bezel with lume numerals at 15, 30 and 45 and lume dots; the brand says ceramic, not a sapphire-topped bezel.
- Luminous hands and hour markers, including the seconds hand8 / 8Aged-colour lume on sword hands, round and bar markers and a triangle at 12, with a lume seconds hand.
- Date window between 4 and 5 o'clock0 / 6No date window; a round humidity indicator sits at 6 o'clock.
- Short lugs2.5 / 5Short, slim lugs in the official images, with a 50.4 mm lug-to-lug length listed.
- Large screw-down crown2.5 / 5Screw-down crown per the brand, bronze like the case; small in the official images.
- Domed crystal4 / 4The brand lists a domed sapphire crystal; the dome is visible in the official images.
Functions and materials— / 20
- Complications4 / 8No date window; the original has a date. A humidity indicator sits at 6 instead.
- Bezel action2 / 4120-click unidirectional bezel per the brand; the original's is unidirectional (click count not recorded).
- Case and bezel materials2 / 4Tin bronze case instead of steel, with a ceramic bezel insert instead of sapphire.
- Crystal shape and date window2 / 4Domed sapphire crystal; the original's crystal type is not recorded in the catalogue, and it has a date window with no cyclops.
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
- Tin bronze case that will patina
- Ceramic bezel with a 120-click unidirectional action (brand)
- Domed sapphire crystal
- Aged lume in a vintage military style
- 200 m with a screw-down crown
- Tight, crisp bezel action with no back play and strong lume (one reviewer)
Less good
- Long: 50.4 mm lug to lug on a 40 mm case
- Heavy for the size (78 g listed with strap)
- No date window
- Patina develops quickly, so it needs cleaning if you want it to stay bright (one reviewer)
Versions and colours
- Bronze case, humidity-indicator dial, 'With logo' optionIts own colourway, not on the originalabout $189
- Bronze case, humidity-indicator dial, 'Without logo' optionIts own colourway, not on the originalabout $189
Compare
Sources
Checked 1 Nov 2026. Every figure on this page comes from one of these pages.