Side by side
Feynman Timekeepers Feynman OnevsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Feynman One39mm
S450 Ocean Star40mm
Power Reserve
Feynman One—
S450 Ocean Star41h
Water Resistance
Feynman One50m
S450 Ocean Star100m
MSRP
Feynman One$1,045
S450 Ocean Star$299
Full specifications
Case
6 specsCategory
—
Diver
Diameter
39mm
40mm
Thickness
11.5mm
12mm
Lug-to-Lug
—
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
3 specsCrystal
—
Sapphire
Dial Color
Sweet Orange
White
Lume
None
Tritium
Movement
6 specsCaliber
ETA 7001
TMI NH35A
Type
Manual
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
—
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$1,045
$299
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