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TUDOR

Ref. M79000B-0001

Black Bay 54 37mm

Ref. M79000B-0001

Regular price £3,690
Regular price £3,690 Sale price £3,690
Ex-display
£3,690
Currently in stock online
Free UK delivery
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Unveiled at Watches & Wonders 2026, the TUDOR Black Bay 54 introduces a striking new interpretation of the brand’s celebrated diving-watch collection. Combining vintage-inspired styling with contemporary Swiss watchmaking technology, this distinctive timepiece features a vibrant sapphire blue colour scheme, while retaining the compact proportions and classic character that define the Black Bay 54.

This 37mm model features a stainless steel case with polished and satin finishes, complemented by a unidirectional rotating bezel with a blue insert and 60-minute graduated scale. The striking sapphire blue dial features a sunray-brushed finish, contrasting luminescent hour markers and TUDOR’s signature Snowflake hands, a distinctive feature of the brand’s diving watches since 1969. A domed sapphire crystal protects the dial, while the watch is presented on a three-link stainless steel bracelet with polished and satin-brushed finishes, completed by TUDOR’s T-fit folding clasp for quick and comfortable adjustments.

Powered by the COSC-certified Manufacture Calibre MT5400 self-winding mechanical movement, the Black Bay 54 offers an impressive 70-hour power reserve. Water resistance to 200 metres completes this beautifully engineered timepiece, bringing together Swiss precision, distinctive styling and TUDOR’s rich diving-watch heritage.

Brand TUDOR
Product Reference M79000B-0001
Product Type Watch
Collection Black Bay
Sub-collection Black Bay 54
Case Diameter 37mm
Case Material Stainless Steel
Dial Colour Blue
Crystal Sapphire
Strap Type Bracelet
Clasp Type T-Fit Clasp
Strap Material Stainless Steel
Movement Manufacture Calibre MT5400 (COSC)
Power Reserve 70 Hours
Water Resistance 200m / 660ft
Warranty 5 Years
Michael Spiers ID 007-4090

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Size Guide

Choosing the right ring size ensures maximum comfort and the perfect fit. If you already own a ring that fits well, you can easily use it as a reference. Otherwise, follow the simple options below to find your correct size.

If you do not know your ring size, we recommend visiting one of our showrooms, where our friendly and knowledgeable team can help you find the right ring size for you.

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UK Ring Size Chart

Size UK Size
01B
02D
03E-F
04F
05F-G
06G
07H
08I
09J
10J-K
11K-L
12L
13M-N
14N-O
15O-P
16P
17Q
18Q-R
19R
20S
21S-T
22T-U
23U-V
24V
25W
26X
27X-Y

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Black Bay 54 37mm

Regular price £3,690
Regular price £3,690 Sale price £3,690
Ex-display