Side by side
Mark Time Watches M 4vsNorthern Star Watch Sentinel
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
M 439mm
Sentinel40.5mm
Power Reserve
M 4—
Sentinel42h
Water Resistance
M 4300m
Sentinel50m
MSRP
M 4—
Sentinel$649
Full specifications
Case
5 specsDiameter
39mm
40.5mm
Thickness
12.1mm
10.1mm
Lug-to-Lug
46mm
43.72mm
Lug Width
20mm
20mm
Water Resistance
300m
50m
Crystal & Dial
1 specsDial Color
—
White
Movement
2 specsCaliber
Miyota 9039
Miyota 90S5
Power Reserve
—
42h
Pricing
1 specsMSRP
—
$649
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