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Feynman Timekeepers Feynman OnevsSheffield 1A

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Feynman One
Feynman TimekeepersFeynman One
MSRP $1,045
1A
Sheffield1A
MSRP $223
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Buy from Sheffield ↗
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At a glance

11 of 29 specs differ
Diameter
Feynman One39mm
1A40mm
Power Reserve
Feynman One—
1A—
Water Resistance
Feynman One50m
1A200m
MSRP
Feynman One$1,045
1A$223

Full specifications

Case

5 specs
Category
—
Diver
Diameter
39mm
40mm
Thickness
11.5mm
12.8mm
Lug-to-Lug
—
46mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal
—
Sapphire
Dial Color
Sweet Orange
White/Blue
Lume
None
Swiss blue lume

Movement

2 specs
Caliber
ETA 7001
Seiko NH35A
Type
Manual
Automatic

Pricing

1 specs
MSRP
$1,045
$223
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