Feynman Timekeepers Feynman OnevsMarathon 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.

Feynman One

Jeep Willys SSGPM
Diameter
39mm
41mm
Lug-to-Lug
n/a
48mm
Thickness
11.5mm
11mm
lowest
Water Resistance
50m
highest
30m
MSRP
$1,045
$780
lowest
Movement
ETA/Peseux 7001
Sellita SW210-1
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate the Feynman Timekeepers Feynman One for its vintage-inspired teardrop lugs and polished bezel, housing a decorated ETA/Peseux 7001 manual wind movement. The layered dial features guilloche patterns and applied indices, complemented by hand-crafted lizard leather straps. Some owners wish for more decoration on the movement caliber. Overall, owners rate the Feynman Timekeepers Feynman One highly for its attractive vintage design and manual-wind movement at its price point.
The case finishing, with its contrast between brushed sides and polished bezel, is a notable strength. The bracelet's end links do not perfectly align with the case, creating a slight gap.
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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