Side by side

Feynman Timekeepers Feynman OnevsOrient Star M45 F8 Skeleton Hand Winding

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

At a glance

12 of 29 specs differ
Diameter
Feynman One39mm
M45 F8 Skeleton Hand Winding38.8mm
Power Reserve
Feynman One
M45 F8 Skeleton Hand Winding70h
Water Resistance
Feynman One50m
M45 F8 Skeleton Hand Winding50m
MSRP
Feynman One$1,045
M45 F8 Skeleton Hand Winding$2,545

Full specifications

Case

5 specs
Category
Mechanical
Diameter
39mm
38.8mm
Thickness
11.5mm
10.6mm
Lug-to-Lug
46mm
Finish

Crystal & Dial

3 specs
Crystal
Sapphire
AR Coating
Yes
Dial Color
Sweet Orange
Champagne

Movement

3 specs
Caliber
ETA 7001
F8B62
Power Reserve
70h
Jewels
0
22

Pricing

1 specs
MSRP
$1,045
$2,545
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