Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsOblvlo JM Tourbillon
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
JM Tourbillon42mm
Power Reserve
Sea Storm MK2 GMT40h
JM Tourbillon65h
Water Resistance
Sea Storm MK2 GMT300m
JM Tourbillon50m
MSRP
Sea Storm MK2 GMT$415
JM Tourbillon$516
Full specifications
Case
6 specsCategory
Diver
Skeleton
Diameter
41.50mm
42mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
50m
Crystal & Dial
1 specsLume
BGW9
Super-LumiNova
Movement
4 specsCaliber
NH34
OBL.8024
Power Reserve
40h
65h
Jewels
25
20
Complications
None
Tourbillon
Pricing
1 specsMSRP
$415
$516
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