Side by side

Northern Star Watch SentinelvsSheffield 1A

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Sentinel
Northern Star WatchSentinel
MSRP $649
1A
Sheffield1A
MSRP $223
Buy from Northern Star Watch ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Sentinel40.5mm
1A40mm
Power Reserve
Sentinel42h
1A—
Water Resistance
Sentinel50m
1A200m
MSRP
Sentinel$649
1A$223

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40.5mm
40mm
Thickness
10.1mm
12.8mm
Lug-to-Lug
43.72mm
46mm
Lug Width
20mm
20mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Dial Color
White
White/Blue
Lume
None
Swiss blue lume

Movement

2 specs
Caliber
Miyota 90S5
Seiko NH35A
Power Reserve
42h
—

Pricing

1 specs
MSRP
$649
$223
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