Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSugess Ocean Star S450 YM
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Ocean Star S450 YM40mm
Power Reserve
Sea Storm MK2 GMT40h
Ocean Star S450 YM40h
Water Resistance
Sea Storm MK2 GMT300m
Ocean Star S450 YM300m
MSRP
Sea Storm MK2 GMT$415
Ocean Star S450 YM$449
Full specifications
Case
4 specsDiameter
41.50mm
40mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Crystal & Dial
1 specsLume
BGW9
Tritium
Movement
3 specsCaliber
NH34
Seiko NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Moonphase, Date
Pricing
1 specsMSRP
$415
$449
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