Side by side

Spinnaker Challenger AutomaticvsZelos Hammerhead 43 Field

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
Hammerhead 43 Field
ZelosHammerhead 43 Field
MSRP $399

At a glance

9 of 29 specs differ
Diameter
Challenger Automatic42mm
Hammerhead 43 Field43mm
Power Reserve
Challenger Automatic40h
Hammerhead 43 Field40h
Water Resistance
Challenger Automatic200m
Hammerhead 43 Field300m
MSRP
Challenger Automatic$289
Hammerhead 43 Field$399

Full specifications

Case

5 specs
Category
Diver
Field
Diameter
42mm
43mm
Thickness
19mm
13mm
Lug-to-Lug
49.5mm
43mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Purple

Movement

1 specs
Caliber
SII NH35A
Seiko NH38

Pricing

1 specs
MSRP
$289
$399

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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.

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.

Zelos Hammerhead 43 Field

The Zelos Hammerhead 43 Field is praised for its unique bronze case patina potential, masculine angular design, and fantastic lume. Owners also highlight the lovely Mosaic Ember and purple agate dials. However, some owners feel the 43mm case wears large, suited for wrists 7.5 inches and up, and a reviewer notes its substantial 17mm thickness. The rubber strap is disliked for making the watch feel top-heavy, and the date window is considered tiny and hard to see. Some owners express disappointment with the NH movement. Overall, owners and reviewers rate the Zelos Hammerhead 43 Field well for its distinctive design and dial appeal at its price point.

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