Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSpinnaker Bradner Pearl Diver
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
Bradner Pearl Diver42mm
Power Reserve
Sea Storm MK2 GMT40h
Bradner Pearl Diver40h
Water Resistance
Sea Storm MK2 GMT300m
Bradner Pearl Diver180m
MSRP
Sea Storm MK2 GMT$415
Bradner Pearl Diver$370
Full specifications
Case
6 specsDiameter
41.50mm
42mm
Thickness
14.15mm
15mm
Lug-to-Lug
48.50mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
180m
Crystal & Dial
2 specsDial Color
Black
Emerald
Lume
BGW9
None
Movement
1 specsCaliber
NH34
SII NH35A
Pricing
1 specsMSRP
$415
$370
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