Side by side
Northern Star Watch SentinelvsGrand Seiko SBGR321
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
SBGR32140mm
Power Reserve
Sentinel42h
SBGR32172h
Water Resistance
Sentinel50m
SBGR321100m
MSRP
Sentinel$649
SBGR321$5,200
Full specifications
Case
6 specsCategory
—
Dress
Diameter
40.5mm
40mm
Thickness
10.1mm
13mm
Lug-to-Lug
43.72mm
46.6mm
Lug Width
20mm
20mm
Water Resistance
50m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
White
Black
Movement
2 specsCaliber
Miyota 90S5
9S65
Power Reserve
42h
72h
Pricing
1 specsMSRP
$649
$5,200
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