Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSugess Seestern S430 Titanium Diver
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 S430 Titanium Diver40mm
Power Reserve
Sea Storm MK2 GMT40h
Seestern S430 Titanium Diver40h
Water Resistance
Sea Storm MK2 GMT300m
Seestern S430 Titanium Diver200m
MSRP
Sea Storm MK2 GMT$415
Seestern S430 Titanium Diver$299
Full specifications
Case
6 specsDiameter
41.50mm
40mm
Thickness
14.15mm
12.5mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
Tritium
Movement
3 specsCaliber
NH34
Seiko NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Chronograph, Moonphase, Date
Pricing
1 specsMSRP
$415
$299
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