Feynman Timekeepers Feynman OnevsTimefactors PRS-36
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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

PRS-36
Diameter
39mm
37mm
Lug-to-Lug
n/a
44.8mm
Thickness
11.5mm
10.5mm
lowest
Water Resistance
50m
50m
MSRP
$1,045
$530
lowest
Movement
ETA/Peseux 7001
ETA Peseux 7040
Case
3 specsCrystal & Dial
3 specsMovement
1 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.
The Timefactors PRS-36 is praised for its classy, vintage-style design, featuring a thin and comfortable cushion case and a brushed aluminum dial, making it suitable as a formal watch. Owners note the 37mm case wears larger than its dimensions suggest, with a slim 10.5mm thickness. The manual-wind ETA Peseux 7040 movement is a highlight, contributing to the watch's value at its £395 price point. However, the included strap and its large buckle are widely considered undesirable and are often replaced for improved comfort and aesthetics. One owner expresses general dissatisfaction with Timefactors' designs. Overall, owners rate the Timefactors PRS-36 highly for its vintage styling and comfortable wearability at an accessible price.
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