Side by side

Zelos Hammerhead (Tantalum LE)vsTudor Black Bay GMT

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275

At a glance

21 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Black Bay GMT41mm
Power Reserve
Hammerhead (Tantalum LE)40h
Black Bay GMT70h
Water Resistance
Hammerhead (Tantalum LE)300m
Black Bay GMT200m
MSRP
Hammerhead (Tantalum LE)$1,499
Black Bay GMT$5,275

Full specifications

Case

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

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Tantalum LE
Black
Indices
Applied

Movement

7 specs
Caliber
Seiko NH35
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$1,499
$5,275

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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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

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