Specifications
- Reference
- M79470-0004
- Family
- Black Bay Pro
- Category
- GMT / travel
- Status
- Current
- Case material
- Stainless steel
- Case diameter
- 39 mm
- Case thickness
- 14.6 mm Official
- Lug-to-lug
- 47.2 mm Third-party
- Lug width
- 20 mm Official
- Water resistance
- 200 m
- Bezel
- Fixed, 24 h scale
- Certifications
- COSC
- Calibre
- MT5652 Official
- Power reserve
- about 70 h
Official product page · retrieved October 14, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
Comfortable
Lug-to-lug 47.2 mm on a flat top of 54.1 mm: 87 % of the width.
Lug-to-lug is 75 to 95% of the flat top, the usual comfortable range.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 14.6 mm | Official | Tudor | October 14, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 47.2 mm | Third-party | Everest Bands Strap retailer size guide (December 2023), model-level figure listed for refs 79470. | October 14, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 20 mm | Official | Tudor | October 14, 2026 |
Calibre source
Official Tudor · retrieved October 14, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
- M79470-0005 · Opaline dial, fabric strap
- M79470-0006 · Opaline dial, rubber strap
- M79470-0003 · Black dial, rubber strap
- M79470-0002 · Black dial, fabric strap
- M79470-0001 · Black dial, bracelet
Other Tudor models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Black Bay 58 GMT M7939G1A0NRU-0001 | 39 mm | 12.8 mm | — | MT5450-U |
| Black Bay GMT M79830RB-0001 | 41 mm | 14.6 mm | 50 mm | MT5652 |
| Pelagos FXD GMT M2542GXX7NU-0002 | 42 mm | 12.7 mm | — | MT5652-U |
| Black Bay 58 M7939A1A0NU-0002 | 39 mm | 11.7 mm | 47.8 mm | MT5400-U |
| Ranger M79950-0001 | 39 mm | 12 mm | 47 mm | MT5402 |
| Black Bay 58 925 M79010SG-0002 | 39 mm | 12.7 mm | 47.8 mm | MT5400 |
Show 26 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Black Bay 58 Bronze M79012M-0001 | 39 mm | 11.9 mm | 47.8 mm | MT5400 |
| Pelagos 39 M25407N-0001 | 39 mm | 11.8–12.2 mm⚠ | 47 mm | MT5400 |
| Northflag M9140G1A0U-0001 | 40 mm | 12.7 mm | — | MT5652-U |
| Black Bay M7941A1A0NU-0003 | 41 mm | 12.7–13.6 mm⚠ | 49–50 mm⚠ | MT5602-U |
| Black Bay 54 M79000B-0001 | 37 mm | 11.2 mm | 45.8 mm | MT5400 |
| Black Bay Ceramic M7941A1ACNU-0001 | 41 mm | 13.6 mm | 49 mm | MT5602-U |
| Ranger 36 M79930-0007 | 36 mm | 11 mm | — | MT5400 |
| Pelagos 42 M25600TB-0001 | 42 mm | 14.3 mm | 50 mm | MT5612 |
| Pelagos FXD M25717N-0001 | 42 mm | 12.8 mm | 52 mm | MT5602 |
| Black Bay 68 M7943A1A0NU-0001 | 43 mm | 13.6 mm | — | MT5601-U |
| Black Bay Bronze M79250BA-0001 | 43 mm | 14.6 mm | 52.7 mm | MT5601 |
| Pelagos Ultra M2543C1A7NU-0001 | 43 mm | 14.5 mm | — | MT5612-U |
| Black Bay Chrono M79360N-0014 | 41 mm | 14.4 mm | 50 mm | MT5813 |
| 1926 39 M91550-0001 | 39 mm | 9.2 mm | — | T601 |
| 1926 Luna M91560-0002 | 39 mm | 10.1 mm | — | T607-9 |
| Black Bay 39 M79660-0002 | 39 mm | 12 mm | 47.3 mm | MT5602 |
| Monarch M2639W1A0U-0001 | 39 mm | 11.9 mm | — | MT5662-2U |
| Royal M2840D1A0-0001 | 40 mm | 11.4 mm | — | MT5633 |
| Pelagos FXD Chrono M25827KN-0001 | 43 mm | 13.2 mm | 52 mm | MT5813 |
| 1926 M91650-0001 | 41 mm | 9.3 mm | — | T601 |
| Black Bay 41 M79680-0002 | 41 mm | 12.2 mm | 50.2 mm | MT5601 |
| 1926 36 M91450-0001 | 36 mm | 9.2 mm | — | T601 |
| Black Bay 36 M79640-0002 | 36 mm | 10.5 mm | 43.9 mm | MT5400 |
| Royal 36 M2836C1A0-0102 | 36 mm | 9.7 mm | — | MT5412 |
| 1926 28 M91350-0011 | 28 mm | 9.1 mm | — | T201 |
| Black Bay 31 M79600-0001 | 31 mm | 9.5 mm | 37.8 mm | MT5201 |