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Mark Time Watches M 4vsNoctua Watch Corp. Sentinel

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
Sentinel
Noctua Watch Corp.Sentinel
MSRP $429
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Buy from Noctua Watch Corp. ↗
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At a glance

5 of 29 specs differ
Diameter
M 439mm
Sentinel42mm
Power Reserve
M 4—
Sentinel—
Water Resistance
M 4300m
Sentinel300m
MSRP
M 4—
Sentinel$429

Full specifications

Case

3 specs
Diameter
39mm
42mm
Thickness
12.1mm
15mm
Lug Width
20mm
22mm

Movement

1 specs
Caliber
Miyota 9039
Seiko NH35A

Pricing

1 specs
MSRP
—
—
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