Side by side
Borealis Watch Co. Caloura 300mvsSinn 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
Caloura 300m42mm
U1844mm
Power Reserve
Caloura 300m40h
U1842h
Water Resistance
Caloura 300m300m
U182,000m
MSRP
Caloura 300m$275
U18$3,488
Full specifications
Case
8 specsDiameter
42mm
44mm
Thickness
13.9mm
15.5mm
Lug-to-Lug
44.20mm
—
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
NH35
SW300-1
Power Reserve
40h
42h
Pricing
1 specsMSRP
$275
$3,488
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