Side by side
Seiko Prospex SPEEDTIMERvsStewart Dawson Westminster
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex SPEEDTIMER39mm
Westminster40mm
Power Reserve
Prospex SPEEDTIMER40h
Westminster—
Water Resistance
Prospex SPEEDTIMER100m
Westminster100m
MSRP
Prospex SPEEDTIMER$725
Westminster$405
Full specifications
Case
5 specsCategory
Chronograph
—
Diameter
39mm
40mm
Thickness
13.3mm
7.5mm
Lug-to-Lug
45.5mm
46.5mm
Lug Width
20mm
—
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Pink
Lume
LumiBrite on hands and index(es)
None
Movement
2 specsCaliber
V192
Miyota 2035
Power Reserve
40h
—
Pricing
1 specsMSRP
$725
—
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