Side by side

Mark Time Watches M 4vsRedwood Watches Jetstream GMT

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
Jetstream GMT
Redwood WatchesJetstream GMT
MSRP $419
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Buy from Redwood Watches ↗
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At a glance

5 of 29 specs differ
Diameter
M 439mm
Jetstream GMT40mm
Power Reserve
M 4—
Jetstream GMT40h
Water Resistance
M 4300m
Jetstream GMT300m
MSRP
M 4—
Jetstream GMT$419

Full specifications

Case

2 specs
Diameter
39mm
40mm
Thickness
12.1mm
13.7mm

Movement

2 specs
Caliber
Miyota 9039
Seiko NH34
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$419
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