Side by side

Tudor Black Bay 58 GMTvsZelos Swordfish Field 38

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

Black Bay 58 GMT
TudorBlack Bay 58 GMT
MSRP $5,525
Swordfish Field 38
ZelosSwordfish Field 38
MSRP $399

At a glance

19 of 29 specs differ
Diameter
Black Bay 58 GMT39mm
Swordfish Field 3838mm
Power Reserve
Black Bay 58 GMT65h
Swordfish Field 3840h
Water Resistance
Black Bay 58 GMT200m
Swordfish Field 38200m
MSRP
Black Bay 58 GMT$5,525
Swordfish Field 38$399

Full specifications

Case

8 specs
Category
GMT
Field
Diameter
39mm
38mm
Thickness
12.8mm
12mm
Lug-to-Lug
38mm
Lug Width
12.8mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Bronze

Movement

7 specs
Caliber
MT5450-U
Seiko NH35
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None

Pricing

1 specs
MSRP
$5,525
$399

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What people say

Owners + reviewers, side by side

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

Tudor Black Bay 58 GMT

The Tudor Black Bay 58 GMT is widely praised for its functional, proportional, and ergonomic design, wearing identically to the standard Black Bay 58 and feeling substantial without being oversized. Owners are very happy with the 39mm case proportions, noting an improved 12.8mm height. The gilt dial aesthetics and gilt-effect accents are a point of praise for some, while others find them divisive. The Tudor Black Bay 58 GMT features the METAS-certified MT5450-U movement, which is anti-magnetic to 15,000 Gauss and offers a 65-hour power reserve. On balance, owners and reviewers rate the Tudor Black Bay 58 GMT highly for its improved case proportions and gilt dial aesthetics.

From video reviewers

The comfortable 39mm case size is a significant strength. The value at its price point is also a shared positive. Reviewers did not reach a consensus on any weaknesses.

Zelos Swordfish Field 38

Owners widely praise the Zelos Swordfish Field 38 for its comfortable dimensions, noting they are acceptable both on paper and in practice. The Seiko NH35 movement is highlighted for its exceptionally smooth winding feel. On balance, owners rate the Zelos Swordfish Field 38 highly for its value and comfortable wearability.

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