Side by side
Feynman Timekeepers Feynman OnevsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Feynman One39mm
Prosperity GMT38mm
Power Reserve
Feynman One—
Prosperity GMT41h
Water Resistance
Feynman One50m
Prosperity GMT100m
MSRP
Feynman One$1,045
Prosperity GMT$443
Full specifications
Case
4 specsDiameter
39mm
38mm
Thickness
11.5mm
11.9mm
Lug-to-Lug
—
46mm
Water Resistance
50m
100m
Crystal & Dial
3 specsCrystal
—
Sapphire
Dial Color
Sweet Orange
Red
Lume
None
string
Movement
3 specsCaliber
ETA 7001
Seiko NH34
Type
Manual
Automatic
Power Reserve
—
41h
Pricing
1 specsMSRP
$1,045
—
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