Side by side

Tudor Black Bay GMTvsZelos Spearfish GMT

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

Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

19 of 29 specs differ
Diameter
Black Bay GMT41mm
Spearfish GMT40mm
Power Reserve
Black Bay GMT70h
Spearfish GMT40h
Water Resistance
Black Bay GMT200m
Spearfish GMT200m
MSRP
Black Bay GMT$5,275
Spearfish GMT$999

Full specifications

Case

7 specs
Diameter
41mm
40mm
Thickness
14.6mm
13mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Frost
Indices
Applied

Movement

7 specs
Caliber
MT5652
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None

Pricing

1 specs
MSRP
$5,275
$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 GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

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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