Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsLongines MASTER COLLECTION CHRONOGRAPH

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sea Storm MK2 GMT
Borealis Watch Co.Sea Storm MK2 GMT
MSRP $415
MASTER COLLECTION CHRONOGRAPH
LonginesMASTER COLLECTION CHRONOGRAPH
MSRP $3,800

At a glance

20 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
MASTER COLLECTION CHRONOGRAPH44mm
Power Reserve
Sea Storm MK2 GMT40h
MASTER COLLECTION CHRONOGRAPH66h
Water Resistance
Sea Storm MK2 GMT300m
MASTER COLLECTION CHRONOGRAPH30m
MSRP
Sea Storm MK2 GMT$415
MASTER COLLECTION CHRONOGRAPH$3,800

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
41.50mm
44mm
Thickness
14.15mm
14.4mm
Lug-to-Lug
48.50mm
51.8mm
Lug Width
20mm
22mm
Finish
Brushed and polished
—
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Blue
Indices
Applied
Applied indexes
Lume
BGW9
Super-LumiNova

Movement

6 specs
Caliber
NH34
L688.5
Power Reserve
40h
66h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, small seconds at 9 o'clock and date

Pricing

1 specs
MSRP
$415
$3,800

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