Feynman Timekeepers Feynman OnevsTrematic ZY6
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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

ZY6
Diameter
39mm
38mm
Lug-to-Lug
n/a
44mm
Thickness
11.5mm
11.1mm
lowest
Water Resistance
50m
100m
highest
Power Reserve
n/a
41h
MSRP
$1,045
$855
lowest
Movement
ETA/Peseux 7001
Sellita SW200-1
Case
5 specsCrystal & Dial
2 specsMovement
3 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 Trematic ZY6 is praised for its fantastic appearance, particularly the blue/white dial on a bracelet, and its elegant, vintage-inspired design with applied markers. The 38mm stainless steel case is described as fully polished. However, the grainy textured dial is a point of contention for some owners, with one reporting it as a documented problem. The watch has 100m water resistance. Overall, owners and reviewers appreciate the Trematic ZY6's aesthetic appeal and refined design, though the dial texture is a divisive element.
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