Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsTSAO Baltimore OLD BAY Timepiece
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
OLD BAY Timepiece40mm
Power Reserve
Sea Storm MK2 GMT40h
OLD BAY Timepiece41h
Water Resistance
Sea Storm MK2 GMT300m
OLD BAY Timepiece200m
MSRP
Sea Storm MK2 GMT$415
OLD BAY Timepiece$550
Full specifications
Case
6 specsCategory
Diver
—
Diameter
41.50mm
40mm
Thickness
14.15mm
13.2mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
2 specsCaliber
NH34
Seiko NH38
Power Reserve
40h
41h
Pricing
1 specsMSRP
$415
$550
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