Side by side

Sheffield SolarvsSeiko Prospex SPEEDTIMER

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

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Solar
SheffieldSolar
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $750
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Solar40mm
Prospex SPEEDTIMER41.4mm
Power Reserve
Solar—
Prospex SPEEDTIMER40h
Water Resistance
Solar200m
Prospex SPEEDTIMER100m
MSRP
Solar—
Prospex SPEEDTIMER$750

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
40mm
41.4mm
Lug-to-Lug
48mm
45.9mm
Lug Width
20mm
21mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Swiss lume
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 2070
V192
Type
Solar
Quartz
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$750
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