Side by side

Spinnaker Challenger AutomaticvsSeiko Prospex SPEEDTIMER

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $750

At a glance

14 of 29 specs differ
Diameter
Challenger Automatic42mm
Prospex SPEEDTIMER41.4mm
Power Reserve
Challenger Automatic40h
Prospex SPEEDTIMER40h
Water Resistance
Challenger Automatic200m
Prospex SPEEDTIMER100m
MSRP
Challenger Automatic$289
Prospex SPEEDTIMER$750

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42mm
41.4mm
Thickness
19mm
13mm
Lug-to-Lug
49.5mm
45.9mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
SII NH35A
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$289
$750

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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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's design, with specific mentions of its beautiful ice blue sundial and compact 39mm case size, which some note wears smaller than its specifications due to a short lug-to-lug distance. Reviewers highlight its racing-inspired aesthetic and versatility, with one owner finding the 39mm solar model a sturdy and reliable everyday watch with 100m water resistance. However, some owners question the value proposition, citing the $700 price for a solar quartz model and a thickness of 13mm, while others expressed a preference for automatic movements. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER's attractive vintage-inspired design and compact wearability, though some debate its value and thickness for a solar quartz chronograph.

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