Side by side
Northern Star Watch Icy SentinelvsSeestern S446 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Icy Sentinel40.5mm
S446 GMT39.5mm
Power Reserve
Icy Sentinel42h
S446 GMT41hh
Water Resistance
Icy Sentinel50m
S446 GMT100m
MSRP
Icy Sentinel$849
S446 GMT$299
Full specifications
Case
7 specsCategory
—
GMT
Diameter
40.5mm
39.5mm
Thickness
10.1mm
13mm
Lug-to-Lug
43.72mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal Shape
Flat
Domed
Dial Color
Ice blue
Cream
Movement
5 specsCaliber
Miyota 90S5
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$849
$299
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