Side by side
Alkin Watches Model OnevsNorthern Star Watch Sentinel
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Model One42mm
Sentinel40.5mm
Power Reserve
Model One—
Sentinel42h
Water Resistance
Model One100m
Sentinel50m
MSRP
Model One—
Sentinel$649
Full specifications
Case
5 specsDiameter
42mm
40.5mm
Thickness
13.25mm
10.1mm
Lug-to-Lug
50mm
43.72mm
Lug Width
22mm
20mm
Water Resistance
100m
50m
Crystal & Dial
2 specsDial Color
Green
White
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Seiko NH35A
Miyota 90S5
Power Reserve
—
42h
Pricing
1 specsMSRP
—
$649
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