Side by side

Seiko 5 Sports SKX seriesvsTudor Black Bay 54

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised for its value, robust build, and powerful lume, with owners appreciating its comfortable bracelets and improved movement featuring hacking and hand-winding. Some owners find the original SKX models heavy and bulky, while others praise their ruggedness and iconic dive watch design. Reviewers note the 38mm models offer great value at around €350 and are exemplary gateway watches, though their 100m water resistance without a screw-down crown makes them unsuitable for diving. The Seiko 5 Sports SKX series is seen as a decent watch, especially under £200, but lacks the tool watch capabilities of the original SKX, missing a screw-down crown, bezel pip, and ISO rating. On balance, owners and reviewers rate the Seiko 5 Sports SKX series well for its blend of value, improved movement, and tool-watch aesthetic, despite some missing dive certifications.

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

From video reviewers

The 37mm case with a lug-to-lug measurement around 45.8mm-46mm offers excellent wearability, fitting comfortably on smaller wrists. The in-house MT5400 movement provides a substantial 70-hour power reserve. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

At a glance

14 of 29 specs differ
Diameter
5 Sports SKX series38mm
Black Bay 5437mm
Power Reserve
5 Sports SKX series41h
Black Bay 5470h
Water Resistance
5 Sports SKX series100m
Black Bay 54200m
MSRP
5 Sports SKX series$350
Black Bay 54$4,725

Full specifications

Case

6 specs
Diameter
38mm
37mm
Thickness
12.1mm
11.2mm
Lug-to-Lug
44.2mm
0mm
Finish
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid screw-down

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Dial Color
Blue
Indices
Applied
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

3 specs
Caliber
4R36
MT5400
Power Reserve
41h
70h
Jewels
24
0

Pricing

1 specs
MSRP
$350
$4,725
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