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Seiko Prospex SPEEDTIMER Mechanical ChronographvsUgly Watch Co RM3

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

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Prospex SPEEDTIMER Mechanical Chronograph
SeikoProspex SPEEDTIMER Mechanical Chronograph
MSRP $2,500
RM3
Ugly Watch CoRM3
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Ugly Watch Co ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Chronograph42mm
RM342mm
Power Reserve
Prospex SPEEDTIMER Mechanical Chronograph45h
RM3—
Water Resistance
Prospex SPEEDTIMER Mechanical Chronograph100m
RM3200m
MSRP
Prospex SPEEDTIMER Mechanical Chronograph$2,500
RM3—

Full specifications

Case

5 specs
Category
Chronograph
—
Thickness
14.6mm
—
Lug-to-Lug
49.5mm
51mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
8R48
ST1901
Type
Automatic
Manual
Power Reserve
45h
—
Jewels
34
25

Pricing

1 specs
MSRP
$2,500
—
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