Side by side

Zelos Hammerhead (Tantalum LE)vsSpinnaker Challenger Automatic

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
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

9 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Challenger Automatic42mm
Power Reserve
Hammerhead (Tantalum LE)40h
Challenger Automatic40h
Water Resistance
Hammerhead (Tantalum LE)300m
Challenger Automatic200m
MSRP
Hammerhead (Tantalum LE)$1,499
Challenger Automatic$289

Full specifications

Case

5 specs
Diameter
44mm
42mm
Thickness
13mm
19mm
Lug-to-Lug
44mm
49.5mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Blue

Movement

1 specs
Caliber
Seiko NH35
SII NH35A

Pricing

1 specs
MSRP
$1,499
$289

Follow this matchup

Get a note when Zelos Hammerhead (Tantalum LE) vs Spinnaker Challenger Automatic gets more votes, a community discussion, or a price drop. No account needed.

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 Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.