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Mark Time Watches M 4vsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

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M 4
Mark Time WatchesM 4
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
SeikoProspex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
MSRP $1,150
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Buy from Seiko ↗
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At a glance

13 of 29 specs differ
Diameter
M 439mm
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Power Reserve
M 4—
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Water Resistance
M 4300m
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
MSRP
M 4—
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
39mm
39.5mm
Thickness
12.1mm
12mm
Lug-to-Lug
46mm
44.5mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
6R55
Power Reserve
—
72h
Jewels
25
24

Pricing

1 specs
MSRP
—
$1,150
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