Side by side

Spinnaker Challenger AutomaticvsGruppo Gamma Field III GMT Date

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Challenger Automatic42mm
Field III GMT Date40mm
Power Reserve
Challenger Automatic40h
Field III GMT Date41h
Water Resistance
Challenger Automatic200m
Field III GMT Date200m
MSRP
Challenger Automatic$289
Field III GMT Date$459

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
19mm
14mm
Lug-to-Lug
49.5mm
48.5mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
SII NH35A
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$289
$459

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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.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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