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Castor Watches LastarriavsSeiko Prospex SPEEDTIMER

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

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Lastarria
Castor WatchesLastarria
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
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At a glance

14 of 29 specs differ
Diameter
Lastarria40mm
Prospex SPEEDTIMER42mm
Power Reserve
Lastarria—
Prospex SPEEDTIMER40h
Water Resistance
Lastarria50m
Prospex SPEEDTIMER100m
MSRP
Lastarria—
Prospex SPEEDTIMER$2,200

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
40mm
42mm
Thickness
10mm
12.9mm
Lug-to-Lug
—
49.6mm
Water Resistance
50m
100m

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
—
5X83
Power Reserve
—
40h
Jewels
25
14

Pricing

1 specs
MSRP
—
$2,200
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Adjacent matchups

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AVI-8 Flyboy Airmaster Sector Meca-QuartzvsSeiko Prospex SPEEDTIMEREone Edge Rose GoldvsSeiko Prospex SPEEDTIMEREone Relay BradleyvsSeiko Prospex SPEEDTIMERSternglas SediusvsSeiko Prospex SPEEDTIMERCastor Watches LastarriavsDryden Chrono Diver Gen 2Astor + Banks ChronovsCastor Watches Lastarria
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