Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsBreitling Chronomat B01 42
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Sea Storm MK2 GMT41.5mm
Chronomat B01 4242mm
Power Reserve
Sea Storm MK2 GMT—
Chronomat B01 4270h
Water Resistance
Sea Storm MK2 GMT300m
Chronomat B01 42200m
MSRP
Sea Storm MK2 GMT$415
Chronomat B01 42$11,150
Full specifications
Case
7 specsDiameter
41.5mm
42mm
Thickness
14.15mm
15.1mm
Lug-to-Lug
48.5mm
0mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel & 18k Red Gold
Finish
—
Stainless steel
Water Resistance
300m
200m
Crystal & Dial
1 specsLume
BGW9
None
Movement
4 specsCaliber
Seiko NH34
Breitling B01
Power Reserve
0h
70h
Hacking
No
Yes
Hand-winding
No
Yes
Pricing
1 specsMSRP
$415
$11,150
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