Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsYema Navygraf Pearl CMM.20
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Navygraf Pearl CMM.2039mm
Power Reserve
Sea Storm MK2 GMT40h
Navygraf Pearl CMM.2040h
Water Resistance
Sea Storm MK2 GMT300m
Navygraf Pearl CMM.20100m
MSRP
Sea Storm MK2 GMT$415
Navygraf Pearl CMM.20$1,862
Full specifications
Case
6 specsDiameter
41.50mm
39mm
Thickness
14.15mm
9.75mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Pearl
Lume
BGW9
None
Movement
1 specsCaliber
NH34
Yema CMM.20
Pricing
1 specsMSRP
$415
$1,862
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