Black dial on the bracelet, with a lume photo© Thorn
ThornT023
Homage to the Rolex Submariner 5513
about$219
Regular price at the brand's own website, checked 31 Oct 2026. Marketplace prices change often.
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The Thorn T023 V3.1 is a homage to the Rolex Submariner 5513, with the same 40 mm case size. It uses an automatic movement and is water resistant to 200 m. Its Resemblance Score is 81 out of 100. It costs about $219 at the official store.
Side by side with the original
Compared with reference 5513. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | T023 | Submariner 5513 (5513) | Difference |
|---|---|---|---|
| Case diameter | 40 mm | 40 mm | same |
| Lug-to-lug | 46.6 mm | ≈ 47 mm | −0.4 mm |
| Thickness | 12.3 mm | ≈ 14.3 mm | −2 mm |
| Lug width | Not published | ≈ 20 mm | Can't compare |
| Water resistance | 200 m | 200 m | |
| Movement | Automatic, PT5000 | Automatic, 1520 (early examples 1530) | |
| Power reserve | Not published | Not published | |
| Crystal | Sapphire, inner anti-reflective coating, domed | Acrylic | |
| Bezel | Rotating, Aluminium | Rotating, 60-minute graduated, Aluminium | |
| Case material | 316L stainless steel | Stainless steel | |
| Lume | C3 or BGW9, depending on the variant | Radium on early watches, tritium later | |
| Bracelet | 20 mm stainless steel bracelet with tool-less link adjustment | Oyster, riveted links on early watches | |
| Weight | 129 g | Not published |
- ≈ Submariner 5513, Lug-to-lug: median of 2 agreeing independent measurements (47 mm); the maker does not publish it.
- ≈ Submariner 5513, Thickness: median of 2 agreeing independent measurements (14–14.5 mm); the maker does not publish it.
- ≈ Submariner 5513, Lug width: median of 2 agreeing independent measurements (20 mm); the maker does not publish it.
The original
Rolex
Submariner 5513
Reference 5513, 40 mm, no date (vintage, 1962-1989)
- Case
- 40 mm
- Lug-to-lug
- ≈ 47 mm
- Thickness
- ≈ 14.3 mm
- Water resistance
- 200 m
- Movement
- Automatic, 1520 (early examples 1530)
- List price
- Not published
Why it scores 81
Proportions and movement are computed from specs. Design details and functions are judged from the brand's official images. How we score
Proportions24 / 30
- Case diameter12 / 12Same size
- Lug-to-lug6.8 / 80.4 mm apart
- Thickness2 / 62 mm apart
- Lug width0 / 4Not published, left out
Design signatures31 / 40
- Black dial with white polygonal luminous hour indices and a printed minute track5 / 10Matte black dial with luminous plots, but round dots with a triangle at 12 and baton markers at 3, 6 and 9, not the original's polygonal indices; the cream white and brown dials are other colours.
- Mercedes-style hour hand with sweep seconds hand9 / 9Mercedes-style hour hand with a sword minute hand and a thin seconds hand with a lume dot in the official images.
- Rotating 60-minute diver's bezel with aluminium insert8 / 8Rotating bezel with a 60-minute scale, numerals every ten minutes and a lume pip, with an aluminium insert.
- Time-only dial with no date window or cyclops5 / 5No date window on any of the V3.1 dials.
- Crown guards on the 40 mm case2.5 / 5The case shows short shoulders beside the screw-down crown in the official images, less pronounced than the original's crown guards.
- Domed acrylic crystal1.5 / 3Domed crystal, but sapphire rather than acrylic.
Functions and materials16 / 20
- Complications8 / 8Time only with no date, as on the original.
- Bezel action2 / 4Rotating bezel; the brand gives no direction or click count for this listing, while the original is bidirectional.
- Case and bezel materials4 / 4Steel case and bracelet with an aluminium bezel insert, as on the original.
- Crystal shape and date window2 / 4Domed sapphire with an inner AR coating and no cyclops; the original has a domed acrylic crystal with no cyclops.
Movement type10 / 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
- Vintage 40 mm case with a short 46.6 mm lug to lug
- Domed sapphire crystal
- Bracelet adjusts without tools (brand listing)
- Cream white, black and brown dial options
Less good
- Sapphire crystal where the original has acrylic
- Brand does not say whether the bezel is bidirectional
- Lume type and movement differ between variants
Versions and colours
- Cream white dial, C3 lumeIts own colourway, not on the originalabout $219
- Black dial, BGW9 lume (Sellita SW200 movement)Its own colourway, not on the originalabout $219
- Brown dial, C3 lumeIts own colourway, not on the originalabout $219
- Black dial, tinted C3 lumeIts own colourway, not on the originalabout $219
Earlier versions
- V2.1 (still listed): The V2.1 listing sells the same 40 mm, 46.6 mm lug-to-lug, 12.3 mm case with a bracelet it calls upgraded and a folding clasp, in black, brown and blue-with-date dials. The V3.1 listing adds a bracelet that adjusts without tools and a cream white dial.
Compare
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.