Side by side
Borealis Watch Co. JamantavsSpinnaker Hull Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Jamanta42.50mm
Hull Diver42mm
Power Reserve
Jamanta40h
Hull Diver40h
Water Resistance
Jamanta300m
Hull Diver300m
MSRP
Jamanta$415
Hull Diver$375
Full specifications
Case
5 specsDiameter
42.50mm
42mm
Thickness
13.30mm
15mm
Lug-to-Lug
50.40mm
47.5mm
Lug Width
22mm
22mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Black
Green
Lume
BGW9
None
Movement
1 specsCaliber
Miyota 9015
SII NH35A
Pricing
1 specsMSRP
$415
$375
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