Side by side

Zelos Hammerhead (Tantalum LE)vsTudor Black Bay 58 Bronze

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 58 Bronze
TudorBlack Bay 58 Bronze
MSRP $5,850

At a glance

19 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Black Bay 58 Bronze39mm
Power Reserve
Hammerhead (Tantalum LE)40h
Black Bay 58 Bronze70h
Water Resistance
Hammerhead (Tantalum LE)300m
Black Bay 58 Bronze200m
MSRP
Hammerhead (Tantalum LE)$1,499
Black Bay 58 Bronze$5,850

Full specifications

Case

8 specs
Diameter
44mm
39mm
Thickness
13mm
11.9mm
Lug-to-Lug
44mm
46mm
Lug Width
22mm
20mm
Material
Titanium
Bronze
Finish
Brushed and polished
Brushed + Satin
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Tantalum LE
Black

Movement

6 specs
Caliber
Seiko NH35
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$1,499
$5,850

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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 58 Bronze

The Tudor Black Bay 58 Bronze is widely praised for its unique, evolving aesthetic driven by its developing bronze patina, which owners describe as an incremental pleasure and a conversation starter. Reviewers highlight its warm, vintage feel, achieved through the aging bronze case, root-beer brown bezel, and rose gold-toned dive scale, complemented by applied Arabic numerals on a 39mm case. The MT5400 movement is noted for its 70-hour power reserve and COSC-certified accuracy, with one owner reporting a net loss of about one second every three days. The bezel action is described as firm and reassuring, tighter than steel Black Bay models. Owners report the watch wears well dressed up or down, and its finishing is favorably compared to higher-end brands. However, some owners note the soft bronze case scratches easily and can cause blueing on the wrist in hot weather.

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