Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsLongines SPIRIT ZULU TIME 1925

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
SPIRIT ZULU TIME 1925
LonginesSPIRIT ZULU TIME 1925
MSRP $4,700

At a glance

21 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SPIRIT ZULU TIME 192539mm
Power Reserve
Sea Storm MK2 GMT40h
SPIRIT ZULU TIME 192572h
Water Resistance
Sea Storm MK2 GMT300m
SPIRIT ZULU TIME 1925100m
MSRP
Sea Storm MK2 GMT$415
SPIRIT ZULU TIME 1925$4,700

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
41.50mm
39mm
Thickness
14.15mm
13.5mm
Lug-to-Lug
48.50mm
46.8mm
Lug Width
20mm
21mm
Material
Stainless Steel
Gold
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
Both sides
Indices
Applied
Applied Arabic numerals
Lume
BGW9
Super-LumiNova

Movement

7 specs
Caliber
NH34
L844.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date, 24 hours hand with time zone mechanism

Pricing

1 specs
MSRP
$415
$4,700

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