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Slow Watches TwelvevsSeiko Prospex SPEEDTIMER

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

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Twelve
Slow WatchesTwelve
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725
Buy from Slow Watches ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Twelve40mm
Prospex SPEEDTIMER39mm
Power Reserve
Twelve—
Prospex SPEEDTIMER40h
Water Resistance
Twelve100m
Prospex SPEEDTIMER100m
MSRP
Twelve—
Prospex SPEEDTIMER$725

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
40mm
39mm
Thickness
8.25mm
13.3mm
Lug-to-Lug
46mm
45.5mm
Lug Width
—
20mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Ronda 515.24
V192
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$725
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