Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsFerro Time Master 70
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Time Master 7047mm
Power Reserve
Sea Storm MK2 GMT40h
Time Master 7040h
Water Resistance
Sea Storm MK2 GMT300m
Time Master 7050m
MSRP
Sea Storm MK2 GMT$415
Time Master 70$685
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
41.50mm
47mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
2 specsDial Color
Black
Gold
Lume
BGW9
None
Movement
1 specsCaliber
NH34
Miyota 9039
Pricing
1 specsMSRP
$415
$685
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