Side by side

Tudor Black Bay GMT S&GvsZelos Hammerhead V3 300m Bronze

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

Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

21 of 29 specs differ
Diameter
Black Bay GMT S&G41mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Black Bay GMT S&G70h
Hammerhead V3 300m Bronze40h
Water Resistance
Black Bay GMT S&G200m
Hammerhead V3 300m Bronze300m
MSRP
Black Bay GMT S&G$5,825
Hammerhead V3 300m Bronze$449

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
41mm
44mm
Thickness
14.6mm
13mm
Lug-to-Lug
46mm
44mm
Material
Stainless Steel
Titanium
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
300m
Caseback
Engraved
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Bronze - Frost
Indices
Applied

Movement

7 specs
Caliber
MT5652
Seiko NH35
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
$5,825
$449

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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 S&G

Owners widely praise the Tudor Black Bay GMT S&G for its muted gold tone and cohesive design, with reviewers noting its value proposition around $5,000-$5,300, powered by an in-house GMT movement. Some owners find the 41mm case and weight make it feel large on the wrist, while reviewers are split on wearability and the execution of the "Root Beer" aesthetic. Concerns are raised about the aluminum bezel insert and initial wear on the gold plating at its price point, though some see the gold-capped bracelet and crown as understandable compromises. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its unique aesthetic and strong value, with the cohesive design and GMT functionality being key draws.

Zelos Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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