Side by side
Feynman Timekeepers Feynman OnevsMarathon Steel Navigator SSNAV-D Auto
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
Steel Navigator SSNAV-D Auto41mm
Power Reserve
Feynman One—
Steel Navigator SSNAV-D Auto40h
Water Resistance
Feynman One50m
Steel Navigator SSNAV-D Auto60m
MSRP
Feynman One$1,045
Steel Navigator SSNAV-D Auto$1,400
Full specifications
Case
6 specsCategory
—
Pilot
Diameter
39mm
41mm
Thickness
11.5mm
11mm
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 SW220-1
Type
Manual
Automatic
Power Reserve
—
40h
Pricing
1 specsMSRP
$1,045
$1,400
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