Side by side

Zelos Hammerhead (Tantalum LE)vsSpinnaker Bradner Pearl Diver

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
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

9 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Bradner Pearl Diver42mm
Power Reserve
Hammerhead (Tantalum LE)40h
Bradner Pearl Diver40h
Water Resistance
Hammerhead (Tantalum LE)300m
Bradner Pearl Diver180m
MSRP
Hammerhead (Tantalum LE)$1,499
Bradner Pearl Diver$370

Full specifications

Case

5 specs
Diameter
44mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
44mm
50mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
180m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Emerald

Movement

1 specs
Caliber
Seiko NH35
SII NH35A

Pricing

1 specs
MSRP
$1,499
$370

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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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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