Side by side

Spinnaker Challenger AutomaticvsStudio Underd0g Steffany Blue

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
Steffany Blue
Studio Underd0gSteffany Blue
MSRP $800

At a glance

10 of 29 specs differ
Diameter
Challenger Automatic42mm
Steffany Blue39.5mm
Power Reserve
Challenger Automatic40h
Steffany Blue40h
Water Resistance
Challenger Automatic200m
Steffany Blue
MSRP
Challenger Automatic$289
Steffany Blue$800

Full specifications

Case

7 specs
Category
Diver
Casual
Diameter
42mm
39.5mm
Thickness
19mm
Lug-to-Lug
49.5mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m

Movement

2 specs
Caliber
SII NH35A
Type
Automatic
Manual

Pricing

1 specs
MSRP
$289
$800

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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.

Studio Underd0g Steffany Blue

Owners widely praise the Studio Underd0g Steffany Blue for its beautiful multilayer dial with a floating effect and vivid Super-LumiNova, with one owner finding it smaller and more beautiful than expected. The 37mm case wears nicely, though some find it slightly small for larger wrists. One owner notes the power reserve can fall short of the advertised 48 hours, sometimes lasting only about a day. Overall, owners rate the Studio Underd0g Steffany Blue highly for its striking dial and luminous display.

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