Side by side

Tudor Black Bay ProvsZelos Spearfish GMT

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

Black Bay Pro
TudorBlack Bay Pro
MSRP $5,075
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

18 of 29 specs differ
Diameter
Black Bay Pro39mm
Spearfish GMT40mm
Power Reserve
Black Bay Pro70h
Spearfish GMT40h
Water Resistance
Black Bay Pro200m
Spearfish GMT200m
MSRP
Black Bay Pro$5,075
Spearfish GMT$999

Full specifications

Case

6 specs
Diameter
39mm
40mm
Thickness
14.6mm
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

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
$5,075
$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 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.

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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