Side by side
Elliot Brown OSO Limited EditionvsSeiko 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
12 of 29 specs differDiameter
OSO Limited Edition43mm
Prospex SPEEDTIMER41.4mm
Power Reserve
OSO Limited Edition—
Prospex SPEEDTIMER—
Water Resistance
OSO Limited Edition200m
Prospex SPEEDTIMER100m
MSRP
OSO Limited Edition$576
Prospex SPEEDTIMER$750
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
43mm
41.4mm
Thickness
11.4mm
13mm
Lug-to-Lug
0mm
45.9mm
Lug Width
0mm
21mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
1 specsCaliber
Ronda 715
Seiko V192
Pricing
1 specsMSRP
$576
$750
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