Side by side

Tudor Black Bay 58vsZelos Spearfish GMT

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

Black Bay 58
TudorBlack Bay 58
MSRP $5,350
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

17 of 29 specs differ
Diameter
Black Bay 5839mm
Spearfish GMT40mm
Power Reserve
Black Bay 5865h
Spearfish GMT40h
Water Resistance
Black Bay 58200m
Spearfish GMT200m
MSRP
Black Bay 58$5,350
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
39mm
40mm
Thickness
11.7mm
13mm
Lug-to-Lug
46mm
40mm
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
Frost

Movement

6 specs
Caliber
MT5400-U
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$5,350
$999

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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

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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