Side by side
Feynman Timekeepers Feynman OnevsJack Mason Strat-o-timer GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
10 of 29 specs differDiameter
Feynman One39mm
Strat-o-timer GMT40mm
Power Reserve
Feynman One—
Strat-o-timer GMT42h
Water Resistance
Feynman One50m
Strat-o-timer GMT200m
MSRP
Feynman One$1,045
Strat-o-timer GMT$1,099
Full specifications
Case
4 specsDiameter
39mm
40mm
Thickness
11.5mm
13.2mm
Lug-to-Lug
—
47mm
Water Resistance
50m
200m
Crystal & Dial
2 specsCrystal
—
Sapphire
Dial Color
Sweet Orange
—
Movement
3 specsCaliber
ETA/Peseux 7001
Miyota 9075
Type
Manual
Automatic
Power Reserve
—
42h
Pricing
1 specsMSRP
$1,045
$1,099
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