Side by side
Northern Star Watch SentinelvsRobot Watches AURA SUNRAY
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Sentinel40.5mm
AURA SUNRAY39mm
Power Reserve
Sentinel42h
AURA SUNRAY65h
Water Resistance
Sentinel50m
AURA SUNRAY50m
MSRP
Sentinel$649
AURA SUNRAY$3,100
Full specifications
Case
4 specsDiameter
40.5mm
39mm
Thickness
10.1mm
10.5mm
Lug-to-Lug
43.72mm
—
Lug Width
20mm
—
Crystal & Dial
1 specsDial Color
White
—
Movement
2 specsCaliber
Miyota 90S5
G100
Power Reserve
42h
65h
Pricing
1 specsMSRP
$649
—
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