Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSugess Seestern S446 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Seestern S446 GMT40mm
Power Reserve
Sea Storm MK2 GMT40h
Seestern S446 GMT41h
Water Resistance
Sea Storm MK2 GMT300m
Seestern S446 GMT100m
MSRP
Sea Storm MK2 GMT$415
Seestern S446 GMT$269
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
41.50mm
40mm
Thickness
14.15mm
10mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
19mm
Water Resistance
300m
100m
Crystal & Dial
1 specsLume
BGW9
Tritium
Movement
4 specsCaliber
NH34
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date
Pricing
1 specsMSRP
$415
$269
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