Specifications
- Reference
- M79683-0001
- Family
- Black Bay
- Category
- Classic
- Status
- Current
- Case material
- Steel and yellow gold
- Case diameter
- 41 mm
- Case thickness
- 12.2 mm Official
- Lug-to-lug
- —
- Lug width
- 22 mm Official
- Water resistance
- 100 m
- Bezel
- Fixed, smooth
- Certifications
- COSC
- Calibre
- MT5601 Official
- Power reserve
- about 70 h
Official product page · retrieved October 20, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
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 |
|---|---|---|---|
| 12.2 mm | Official | Tudor | October 20, 2026 |
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 22 mm | Official | Tudor | October 20, 2026 |
Calibre source
Official Tudor · retrieved October 20, 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.
- M79683-0002 · Silver dial
- M79683-0005 · Champagne dial
- M79683-0006 · Black dial, diamond hour markers
- M79683-0007 · Silver dial, diamond hour markers
- M79683-0008 · Champagne dial, diamond hour markers
Other Black Bay references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Black Bay 41 M79680-0002 | 41 mm | 12.2 mm | 50.2 mm | MT5601 |
| Black Bay 39 S&G M79663-0001 | 39 mm | 12 mm | 47.3 mm | MT5602 |
| Black Bay 39 M79660-0002 | 39 mm | 12 mm | 47.3 mm | MT5602 |
| Black Bay 41 79540 (2824) M79540-0004Discontinued | 41 mm | 11 mm | 49.9 mm | ETA 2824-2 |
| Black Bay 41 79540 (T600) M79540-0011Discontinued | 41 mm | 11 mm | 50.1 mm | T600 |
| Black Bay 36 S&G M79643-0001 | 36 mm | 10.5 mm | 43.9 mm | MT5400 |
| Black Bay 36 M79640-0002 | 36 mm | 10.5 mm | 43.9 mm | MT5400 |
| Black Bay 31 S&G M79603-0001 | 31 mm | 9.5 mm | 37.8 mm | MT5201 |
| Black Bay 31 M79600-0001 | 31 mm | 9.5 mm | 37.8 mm | MT5201 |
| Black Bay 36 79500 (T600) M79500-0013Discontinued | 36 mm | 10.4 mm | 44 mm | T600 |
| Black Bay M7941A1A0NU-0003 | 41 mm | 13.6 mm | 49 mm | MT5602-U |
| Black Bay Ceramic M7941A1ACNU-0001 | 41 mm | 13.6 mm | 49 mm | MT5602-U |
| Black Bay Ceramic (MT5602-1U) M79210CNU-0001 | 41 mm | 14.4 mm | 50 mm | MT5602-1U |
| Black Bay S&G 79733N M79733N-0001Discontinued | 41 mm | 14.9 mm | 50 mm | MT5612 |
| Black Bay 79230 M79230B-0001Discontinued | 41 mm | 16.1 mm | 49.8 mm | MT5602 |
| Black Bay Steel 79730 M79730-0003Discontinued | 41 mm | 14.8 mm | 50 mm | MT5612 |
| Black Bay P01 70150 M70150-0001Discontinued | 42 mm | 14.4 mm | 55.7 mm | MT5612 |
Other Tudor models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| 1926 M91650-0001 | 41 mm | 9.3 mm | — | T601 |
| Royal 40 S&G M2840D1A3-0002 | 40 mm | 11.4 mm | — | MT5633 |
| Royal M2840D1A0-0001 | 40 mm | 11.4 mm | — | MT5633 |
| 1926 39 M91550-0001 | 39 mm | 9.2 mm | — | T601 |
| 1926 Luna M91560-0002 | 39 mm | 10.1 mm | — | T607-9 |
| Monarch M2639W1A0U-0001 | 39 mm | 11.9 mm | 46.2 mm | MT5662-2U |
Show 38 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Heritage Advisor 79620 M79620T-0010Discontinued | 42 mm | 14 mm | 49.5 mm | 2892 (alarm module) |
| Royal 36 S&G M2836C1A3-0002 | 36 mm | 9.7 mm | — | MT5412 |
| 1926 36 M91450-0001 | 36 mm | 9.2 mm | 44 mm | T601 |
| Royal 36 M2836C1A0-0102 | 36 mm | 9.7 mm | — | MT5412 |
| Royal 30 S&G M2830A1A3-0003 | 30 mm | 8.7 mm | — | MT5201 |
| 1926 28 M91350-0011 | 28 mm | 9.1 mm | — | T201 |
| 1926 28 S&G M91351-0011 | 28 mm | 9.1 mm | — | T201 |
| Clair de Rose 26 M35200-0009 | 26 mm | 10.3 mm | — | T201 |
| Clair de Rose 30 M35500-0009 | 30 mm | 10.7 mm | — | T201 |
| Clair de Rose 34 M35800-0009 | 34 mm | 11.1 mm | — | T601 |
| Royal 30 M2830A1A0-0001 | 30 mm | 8.7 mm | — | MT5201 |
| Northflag M9140G1A0U-0001 | 40 mm | 12.7 mm | 48.8 mm | MT5652-U |
| Ranger M79950-0001 | 39 mm | 12 mm | 47 mm | MT5402 |
| Black Bay Chrono S&G M79363N-0001 | 41 mm | 14.4 mm | 50 mm | MT5813 |
| Black Bay GMT S&G M79833MN-0001 | 41 mm | 14.6 mm | 50 mm | MT5652 |
| Black Bay Chrono M79360N-0014 | 41 mm | 14.4 mm | 50 mm | MT5813 |
| Black Bay GMT M79830RB-0001 | 41 mm | 14.6 mm | 50 mm | MT5652 |
| Heritage Ranger 79910 M79910-0006Discontinued | 41 mm | 14.9 mm | 48.3 mm | ETA 2824-2 |
| Black Bay Chrono Carbon 42 M79377KN-0003 | 42 mm | 14.3 mm | — | MT5813 |
| Pelagos 42 M25600TB-0001 | 42 mm | 14.3 mm | 50 mm | MT5612 |
| Pelagos FXD M25717N-0001 | 42 mm | 12.8 mm | 52 mm | MT5602 |
| Pelagos FXD GMT M2542GXX7NU-0002 | 42 mm | 12.7 mm | 51 mm | MT5652-U |
| Pelagos LHD M25610TNL-0001 | 42 mm | 14.3 mm | 50 mm | MT5612-LHD |
| Black Bay 58 M7939A1A0NU-0002 | 39 mm | 11.7 mm | 47.8 mm | MT5400-U |
| Black Bay 58 18K M79018V-0006 | 39 mm | 12.7 mm | 47.8 mm | MT5400 |
| Black Bay 58 925 M79010SG-0002 | 39 mm | 12.7 mm | 47.8 mm | MT5400 |
| Black Bay 58 Bronze M79012M-0001 | 39 mm | 11.9 mm | 47.8 mm | MT5400 |
| Black Bay 58 GMT M7939G1A0NRU-0001 | 39 mm | 12.8 mm | 47.3 mm | MT5450-U |
| Black Bay 68 M7943A1A0NU-0001 | 43 mm | 13.6 mm | 51.8 mm | MT5601-U |
| Black Bay Bronze M79250BA-0001 | 43 mm | 14.6 mm | 52.7 mm | MT5601 |
| Black Bay Chrono 39 M79310N-0001 | 39 mm | 13.1 mm | — | MT5813 |
| Black Bay Pro M79470-0004 | 39 mm | 14.6 mm | 47.2 mm | MT5652 |
| Pelagos 39 M25407N-0001 | 39 mm | 11.8 mm | 47 mm | MT5400 |
| Pelagos FXD Chrono M25827KN-0001 | 43 mm | 13.2 mm | 52 mm | MT5813 |
| Pelagos Ultra M2543C1A7NU-0001 | 43 mm | 14.5 mm | 52 mm | MT5612-U |
| Ranger 36 M79930-0007 | 36 mm | 11 mm | 44 mm | MT5400 |
| Black Bay 54 M79000B-0001 | 37 mm | 11.2 mm | 45.8 mm | MT5400 |
| Heritage Chrono 70330 M70330B-0003Discontinued | 42 mm | 12.7 mm | 50 mm | 2892 (chronograph module) |