Side by side

Spinnaker Challenger AutomaticvsDOXA SUB 300T

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
SUB 300T
DOXASUB 300T
MSRP $2,190

At a glance

11 of 29 specs differ
Diameter
Challenger Automatic42mm
SUB 300T42.5mm
Power Reserve
Challenger Automatic40h
SUB 300T40h
Water Resistance
Challenger Automatic200m
SUB 300T1,200m
MSRP
Challenger Automatic$289
SUB 300T$2,190

Full specifications

Case

6 specs
Diameter
42mm
42.5mm
Thickness
19mm
12mm
Lug-to-Lug
49.5mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
1200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Aquamarine
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$289
$2,190

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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.

DOXA SUB 300T

Owners widely praise the DOXA SUB 300T's functional and distinctive design, with reviewers highlighting its historical visibility and robust build. Legibility is consistently noted as excellent, with reviewers appreciating the functional no-decompression bezel and distinct hand shapes. The watch's accuracy is reported as good, with one owner seeing a 3-4 second daily gain, though the 38-hour power reserve is considered underwhelming by some at its price point. Criticisms include a stamped clasp that feels out of place and a bezel that may have lateral movement. The 42.5mm case is described as substantial and heavy, appearing larger due to extra width and making it unsuitable for dress shirts, a trade-off for its 1200-meter water resistance. On balance, owners and reviewers rate the DOXA SUB 300T highly for its unique design and robust dive watch capabilities.

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