Side by side
Feynman Timekeepers Feynman OnevsMarathon Steel Navigator SSNAV Auto
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
Steel Navigator SSNAV Auto41mm
Power Reserve
Feynman One—
Steel Navigator SSNAV Auto40h
Water Resistance
Feynman One50m
Steel Navigator SSNAV Auto60m
MSRP
Feynman One$1,045
Steel Navigator SSNAV Auto$1,300
Full specifications
Case
5 specsCategory
—
Pilot
Diameter
39mm
41mm
Lug-to-Lug
—
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
60m
Crystal & Dial
2 specsCrystal
—
Sapphire
Dial Color
Sweet Orange
Black
Movement
3 specsCaliber
ETA 7001
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
—
40h
Pricing
1 specsMSRP
$1,045
$1,300
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