Gruppo Gamma Vanguard SteelvsMarathon Jeep Willys SSGPM
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Vanguard Steel
Jeep Willys SSGPM
Diameter
42mm
41mm
Lug-to-Lug
49.5mm
48mm
lowest
Thickness
12.6mm
11mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
42h
n/a
MSRP
$790
$780
lowest
Movement
Miyota 9039
Sellita SW210-1
Case
6 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Gruppo Gamma Vanguard Steel's aged steel case and cream sandwich dial. Some owners, however, note distortion from the sapphire crystal and a lack of minute markers. One owner found the crystal distortion problematic and mentioned difficulty with replacement due to hand fitment. The Gruppo Gamma Vanguard Steel is priced at $730 and features a forged carbon dial with 'Old Radium' Super-LumiNova. Overall, owners appreciate the Gruppo Gamma Vanguard Steel for its distinctive dial and aged case finish, despite some reservations about the crystal.
Movement accuracy is a notable strength, with one reviewer noting a -1.8 second per day deviation after initial testing. A weakness is the substantial price hike for the re-release model, which raises questions about whether the upgrades justify the cost. Reviewers disagree on the watch's originality, with one calling it "decidedly derivative" and the other not mentioning this aspect.
Owners praise the Marathon Jeep Willys SSGPM's handsome retro design, nicely shaped 41mm case, and attractive, clean dials with great hands, noting good value at $650 USD. Some owners find the corporate Jeep logo detracts from the dial's appeal and goes against Marathon's heritage. The lugs extend far on smaller wrists, and the included leather strap may need replacement with regular wear. Overall, owners and reviewers rate the Marathon Jeep Willys SSGPM highly for its retro aesthetics and value, despite minor strap and branding concerns.
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