Side by side
Feynman Timekeepers Feynman OnevsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Feynman One39mm
Prospex SPEEDTIMER39mm
Power Reserve
Feynman One—
Prospex SPEEDTIMER—
Water Resistance
Feynman One50m
Prospex SPEEDTIMER100m
MSRP
Feynman One$1,045
Prospex SPEEDTIMER$725
Full specifications
Case
4 specsCategory
—
Chronograph
Thickness
11.5mm
13.3mm
Lug-to-Lug
—
45.5mm
Water Resistance
50m
100m
Crystal & Dial
5 specsCrystal
—
Sapphire
Crystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Sweet Orange
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
ETA/Peseux 7001
Seiko V192
Type
Manual
Quartz
Power Reserve
—
0h
Pricing
1 specsMSRP
$1,045
$725
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