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Tudor · Black Bay

Tudor Black Bay S&G 79733N

Reference M79733N-0001 · Dive · 41 mm Discontinued

102030405014Ø 41 mmLug-to-lug 50 mm
Illustration drawn from the specifications: case to scale, colours and style approximate. Not a photo. Photos on the official page

Specifications

Reference
M79733N-0001
Family
Black Bay
Category
Dive
Status
Discontinued
Case material
Steel and yellow gold
Case diameter
41 mm
Case thickness
14.9 mm Third-party
Lug-to-lug
50 mm Third-party
Lug width
—
Water resistance
200 m
Bezel
Rotating, diver
Certifications
COSC
Calibre
MT5612 Official
Power reserve
about 70 h

Official product page · retrieved October 21, 2026

Does it fit your wrist?

Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.

102030405014Lug-to-lug 50 mmFlat top of the wrist 54.1 mm
Top view on a wrist, to scale
Flat top of the wrist 54.1 mmLug-to-lug 50 mmCase diameter 41 mm
Side view, across the wrist

Comfortable

Lug-to-lug 50 mm on a flat top of 54.1 mm: 92 % 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
14.9 mm Third-party The 1916 Company Tudor publishes no thickness for this case; the review that gives the lug-to-lug reads "measures 14.9mm in thickness and 50mm from lug-to-lug". October 24, 2026

Lug-to-lug

Value Type Source Date
50 mm Third-party The 1916 Company Review titled "Tudor Heritage Black Bay 79733N": "measures 14.9mm in thickness and 50mm from lug-to-lug". October 24, 2026

Lug width

Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.

No source gave this figure yet.

Calibre source

Official Tudor · retrieved October 21, 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.

  • M79733N-0002 · Black bezel, Black dial, bracelet · discontinued

Other Black Bay references

Watch Ø Thickness Lug-to-lug Calibre
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 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
Black Bay 41 S&G M79683-0001 41 mm 12.2 mm — MT5601
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

Other Tudor models

Watch Ø Thickness Lug-to-lug Calibre
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 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
Show 38 more
Watch Ø Thickness Lug-to-lug Calibre
Black Bay 58 Bronze M79012M-0001 39 mm 11.9 mm 47.8 mm MT5400
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
Pelagos 39 M25407N-0001 39 mm 11.8 mm 47 mm MT5400
Pelagos Ultra M2543C1A7NU-0001 43 mm 14.5 mm 52 mm MT5612-U
Black Bay 54 M79000B-0001 37 mm 11.2 mm 45.8 mm MT5400
Black Bay GMT S&G M79833MN-0001 41 mm 14.6 mm 50 mm MT5652
Black Bay GMT M79830RB-0001 41 mm 14.6 mm 50 mm MT5652
Northflag M9140G1A0U-0001 40 mm 12.7 mm 48.8 mm MT5652-U
Pelagos FXD GMT M2542GXX7NU-0002 42 mm 12.7 mm 51 mm MT5652-U
Black Bay 58 GMT M7939G1A0NRU-0001 39 mm 12.8 mm 47.3 mm MT5450-U
Black Bay Pro M79470-0004 39 mm 14.6 mm 47.2 mm MT5652
Ranger M79950-0001 39 mm 12 mm 47 mm MT5402
Heritage Ranger 79910 M79910-0006Discontinued 41 mm 14.9 mm 48.3 mm ETA 2824-2
Black Bay Chrono S&G M79363N-0001 41 mm 14.4 mm 50 mm MT5813
Black Bay Chrono M79360N-0014 41 mm 14.4 mm 50 mm MT5813
Ranger 36 M79930-0007 36 mm 11 mm 44 mm MT5400
Black Bay Chrono Carbon 42 M79377KN-0003 42 mm 14.3 mm — MT5813
Black Bay Chrono 39 M79310N-0001 39 mm 13.1 mm — MT5813
Pelagos FXD Chrono M25827KN-0001 43 mm 13.2 mm 52 mm MT5813
1926 M91650-0001 41 mm 9.3 mm — T601
Royal 40 S&G M2840D1A3-0002 40 mm 11.4 mm — MT5633
Heritage Chrono 70330 M70330B-0003Discontinued 42 mm 12.7 mm 50 mm 2892 (chronograph module)
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
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

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