Side by side

Spinnaker Challenger AutomaticvsTimefactors SMITHS NATO PRS-40 AUTOMATIC

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
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.

Timefactors SMITHS NATO PRS-40 AUTOMATIC

Owners widely praise the Timefactors SMITHS NATO PRS-40 AUTOMATIC for its unique, "badass," rugged, and futuristic design, with some finding its "ugly" aesthetic appealing for its bombproof nature. The Seiko 6R15 movement winds smoothly and operates quietly, and the watch features 100m water resistance and a flat sapphire crystal. The 12 o'clock crown is noted as easy to use by rolling, and the fixed lugs necessitate NATO straps. Some owners report issues with Timefactors' ordering system and customer service, and one found a speck of dust under the crystal, though another noted no imperfections. Overall, owners rate the Timefactors SMITHS NATO PRS-40 AUTOMATIC highly for its distinctive "beater" watch build and unique aesthetic at the price.

At a glance

11 of 29 specs differ
Diameter
Challenger Automatic42mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Challenger Automatic40h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Challenger Automatic200m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Challenger Automatic$289
SMITHS NATO PRS-40 AUTOMATIC$315

Full specifications

Case

7 specs
Category
Diver
Diameter
42mm
40.2mm
Thickness
19mm
12.25mm
Lug-to-Lug
49.5mm
54.7mm
Lug Width
22mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Blue

Movement

2 specs
Caliber
Seiko NH35
6R15
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$289
$315
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