Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsFormex Reef 42 mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Reef 42 mm42mm
Power Reserve
Sea Storm MK2 GMT40h
Reef 42 mm56h
Water Resistance
Sea Storm MK2 GMT300m
Reef 42 mm300m
MSRP
Sea Storm MK2 GMT$415
Reef 42 mm$2,414
Full specifications
Case
4 specsDiameter
41.50mm
42mm
Thickness
14.15mm
11.4mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
22mm
Crystal & Dial
1 specsLume
BGW9
Super-LumiNova
Movement
2 specsCaliber
NH34
Sellita SW300-1
Power Reserve
40h
56h
Pricing
1 specsMSRP
$415
$2,414
Follow this matchup
Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Formex Reef 42 mm gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.









