Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSheffield Diver 1
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
Diver 140mm
Power Reserve
Sea Storm MK2 GMT40h
Diver 1—
Water Resistance
Sea Storm MK2 GMT300m
Diver 1200m
MSRP
Sea Storm MK2 GMT$415
Diver 1—
Full specifications
Case
5 specsDiameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
48mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
White
Lume
BGW9
None
Movement
3 specsCaliber
Seiko NH34
Miyota 2035
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
$415
—
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