Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsBorealis Watch Co. Jamanta
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
5 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Jamanta42.50mm
Power Reserve
Sea Storm MK2 GMT40h
Jamanta40h
Water Resistance
Sea Storm MK2 GMT300m
Jamanta300m
MSRP
Sea Storm MK2 GMT$415
Jamanta$415
Full specifications
Case
4 specsDiameter
41.50mm
42.50mm
Thickness
14.15mm
13.30mm
Lug-to-Lug
48.50mm
50.40mm
Lug Width
20mm
22mm
Movement
1 specsCaliber
NH34
Miyota 9015
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