Seiko Prospex SpeedtimervsUndone Vintage

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Prospex Speedtimer
SeikoProspex Speedtimer

MSRP $725

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Buy from Seiko Used on eBay
Vintage
UndoneVintage

MSRP $265

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Buy from Undone Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Undone Vintage at true scale

Vintage

Diameter

39mm

40mm

Lug-to-Lug

45.5mm

n/a

Thickness

13.3mm

12.7mm

lowest

Water Resistance

100m

highest

30m

MSRP

$725

$265

lowest

Movement

Seiko V192

Seiko VK64

Case

5 specs
Diameter
39mm
40mm
Thickness
13.3mm
12.7mm
Lug-to-Lug
45.5mm
n/a
Lug Width
20mm
n/a
Water Resistance
100m
30m

Crystal & Dial

5 specs
Crystal
Sapphire
K1
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
Seiko V192
Seiko VK64
Type
Quartz
Meca-Quartz

Pricing

1 specs
MSRP
$725
$265
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