Side by side

Seiko 5 Sports Field seriesvsTudor Black Bay Pro

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 Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

Tudor Black Bay Pro

The Tudor Black Bay Pro is praised for its handsome design, high-quality finishing, and 200-meter water resistance. Reviewers note its 39mm case size contributes to comfortable wear, though its 14.6mm thickness is considered substantial due to case design and movement height, giving it a satisfyingly chunky sport watch presence. Some find the three snowflake hands a minor aesthetic quibble. On balance, reviewers consider the Tudor Black Bay Pro a nice watch for enthusiasts at an attractive price point, appreciating its fixed steel bezel and contrasting date wheel.

At a glance

15 of 29 specs differ
Diameter
5 Sports Field series39.4mm
Black Bay Pro39mm
Power Reserve
5 Sports Field series41h
Black Bay Pro70h
Water Resistance
5 Sports Field series100m
Black Bay Pro200m
MSRP
5 Sports Field series$450
Black Bay Pro$5,075

Full specifications

Case

6 specs
Diameter
39.4mm
39mm
Thickness
13.6mm
14.6mm
Lug-to-Lug
47.9mm
0mm
Finish
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid screw-down

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Dial Color
Black
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
4R34
MT5652
Power Reserve
41h
70h
Jewels
24
0
Complications
None
GMT

Pricing

1 specs
MSRP
$450
$5,075
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