Side by side

Mark Time Watches M 4vsOrologi Calamai GMT Automatico

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
GMT Automatico
Orologi CalamaiGMT Automatico
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At a glance

7 of 29 specs differ
Diameter
M 439mm
GMT Automatico39mm
Power Reserve
M 4—
GMT Automatico50h
Water Resistance
M 4300m
GMT Automatico50m
MSRP
M 4—
GMT Automatico—

Full specifications

Case

4 specs
Thickness
12.1mm
10.5mm
Lug-to-Lug
46mm
47.5mm
Material
Stainless Steel
Unknown
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
—
Black

Movement

2 specs
Caliber
Miyota 9039
Sellita SW330-2 Top
Power Reserve
—
50h
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