Side by side
Borealis Watch Co. JamantavsGrand Seiko SLGH005
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Jamanta42.50mm
SLGH00540mm
Power Reserve
Jamanta40h
SLGH00580h
Water Resistance
Jamanta300m
SLGH005100m
MSRP
Jamanta$415
SLGH005$9,800
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
42.50mm
40mm
Thickness
13.30mm
11.7mm
Lug-to-Lug
50.40mm
47mm
Lug Width
22mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
9SA5
Power Reserve
40h
80h
Pricing
1 specsMSRP
$415
$9,800
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