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Mark Time Watches M 4vsSeiko Prospex LX line

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 LX line
SeikoProspex LX line
MSRP $6,500
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At a glance

14 of 29 specs differ
Diameter
M 439mm
Prospex LX line44.8mm
Power Reserve
M 4—
Prospex LX line72h
Water Resistance
M 4300m
Prospex LX line300m
MSRP
M 4—
Prospex LX line$6,500

Full specifications

Case

6 specs
Category
—
Diver
Diameter
39mm
44.8mm
Thickness
12.1mm
15.7mm
Lug-to-Lug
46mm
50.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

4 specs
Caliber
Miyota 9039
5R65
Type
Automatic
Spring Drive
Power Reserve
—
72h
Jewels
25
30

Pricing

1 specs
MSRP
—
$6,500
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