Side by side
Feynman Timekeepers Feynman OnevsWolbrook JetFlyer Automatic Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Feynman One39mm
JetFlyer Automatic Chronograph38mm
Power Reserve
Feynman One—
JetFlyer Automatic Chronograph40h
Water Resistance
Feynman One50m
JetFlyer Automatic Chronograph100m
MSRP
Feynman One$1,045
JetFlyer Automatic Chronograph$845
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
38mm
Thickness
11.5mm
12.1mm
Lug-to-Lug
—
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal
—
Domed Sapphire
Dial Color
Sweet Orange
Black
Movement
3 specsCaliber
ETA 7001
Jeambrun PS 6402
Type
Manual
Automatic
Power Reserve
—
40h
Pricing
1 specsMSRP
$1,045
$845
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