Side by side
Borealis Watch Co. JamantavsSinn U18
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Jamanta42.50mm
U1844mm
Power Reserve
Jamanta40h
U1842h
Water Resistance
Jamanta300m
U182,000m
MSRP
Jamanta$415
U18$3,488
Full specifications
Case
8 specsDiameter
42.50mm
44mm
Thickness
13.30mm
15.5mm
Lug-to-Lug
50.40mm
—
Lug Width
22mm
22mm
Material
Stainless Steel
high-strength
Finish
Brushed and polished
—
Water Resistance
300m
2000m
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Indices
Applied
—
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
SW300-1
Power Reserve
40h
42h
Pricing
1 specsMSRP
$415
$3,488
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