Side by side

Alexander Shorokhoff Regulator AutomaticvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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

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Regulator Automatic
Alexander ShorokhoffRegulator Automatic
MSRP $2,990
See the full Regulator Automatic
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
SeikoProspex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
MSRP $3,000
See the full Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
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At a glance

14 of 29 specs differ
Diameter
Regulator Automatic43.5mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
Regulator Automatic38h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
Regulator Automatic50m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
Regulator Automatic$2,990
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
43.5mm
42.5mm
Thickness
12mm
15.1mm
Lug-to-Lug
0mm
50mm
Lug Width
22mm
20mm
Water Resistance
50m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
ETA 2892-A2
Seiko 8R46
Power Reserve
38h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,990
$3,000
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