Side by side
Feynman Timekeepers Feynman OnevsGrand Seiko SLGW003
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
SLGW00338.6mm
Power Reserve
Feynman One—
SLGW00380h
Water Resistance
Feynman One50m
SLGW00330m
MSRP
Feynman One$1,045
SLGW003$11,600
Full specifications
Case
6 specsCategory
—
Dress
Diameter
39mm
38.6mm
Thickness
11.5mm
9.95mm
Lug-to-Lug
—
45mm
Material
Stainless Steel
Titanium
Water Resistance
50m
30m
Crystal & Dial
3 specsCrystal
—
Sapphire
AR Coating
Inner
Yes
Dial Color
Sweet Orange
Black
Movement
2 specsCaliber
ETA 7001
9SA4
Power Reserve
—
80h
Pricing
1 specsMSRP
$1,045
$11,600
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