Side by side
Northern Star Watch SentinelvsOrient RA-AK03 Version 5 Classic Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sentinel40.5mm
RA-AK03 Version 5 Classic Watch41.5mm
Power Reserve
Sentinel42h
RA-AK03 Version 5 Classic Watch40h
Water Resistance
Sentinel50m
RA-AK03 Version 5 Classic Watch50m
MSRP
Sentinel$649
RA-AK03 Version 5 Classic Watch$420
Full specifications
Case
5 specsDiameter
40.5mm
41.5mm
Thickness
10.1mm
13mm
Lug-to-Lug
43.72mm
48mm
Lug Width
20mm
22mm
Caseback
Solid
Display
Movement
5 specsCaliber
Miyota 90S5
F6B24
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Complications
None
GMT, Day-date
Pricing
1 specsMSRP
$649
$420
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