Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsIslander Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-28241.8mm
Power Reserve
Sea Storm MK2 GMT40h
Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282—
Water Resistance
Sea Storm MK2 GMT300m
Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282200m
MSRP
Sea Storm MK2 GMT$415
Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282$449
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
41.50mm
41.8mm
Thickness
14.15mm
12.9mm
Lug-to-Lug
48.50mm
0mm
Lug Width
20mm
20mm
Finish
Brushed and polished
—
Water Resistance
300m
200m
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
5 specsCaliber
NH34
Seiko Epson YM62A
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$415
$449
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