Side by side
Northern Star Watch Icy SentinelvsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Icy Sentinel40.5mm
Field III GMT Date40mm
Power Reserve
Icy Sentinel42h
Field III GMT Date41h
Water Resistance
Icy Sentinel50m
Field III GMT Date200m
MSRP
Icy Sentinel$849
Field III GMT Date$459
Full specifications
Case
6 specsCategory
—
GMT
Diameter
40.5mm
40mm
Thickness
10.1mm
14mm
Lug-to-Lug
43.72mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Ice blue
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 90S5
Seiko Instruments NH38A
Power Reserve
42h
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
$849
$459
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