Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsTimefactors PRS-40
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
PRS-4040.2mm
Power Reserve
Sea Storm MK2 GMT40h
PRS-4040h
Water Resistance
Sea Storm MK2 GMT300m
PRS-40100m
MSRP
Sea Storm MK2 GMT$415
PRS-40$315
Full specifications
Case
6 specsCategory
Diver
—
Diameter
41.50mm
40.2mm
Thickness
14.15mm
12.25mm
Lug-to-Lug
48.50mm
53.5mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
1 specsLume
BGW9
SuperLuminova C3
Movement
2 specsCaliber
Seiko NH34
Seiko VK61
Type
Automatic
Mecaquartz
Pricing
1 specsMSRP
$415
$315
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