Side by side
Borealis Watch Co. JamantavsRZE Aspirare
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Jamanta42.50mm
Aspirare44mm
Power Reserve
Jamanta40h
Aspirare40h
Water Resistance
Jamanta300m
Aspirare200m
MSRP
Jamanta$415
Aspirare$699
Full specifications
Case
7 specsDiameter
42.50mm
44mm
Thickness
13.30mm
13mm
Lug-to-Lug
50.40mm
53mm
Lug Width
22mm
22mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsAR Coating
Inner
Underside
Dial Color
Black
White
Lume
BGW9
None
Movement
1 specsCaliber
Miyota 9015
Miyota 9039
Pricing
1 specsMSRP
$415
$699
Follow this matchup
Get a note when Borealis Watch Co. Jamanta vs RZE Aspirare gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.









