Side by side
Borealis Watch Co. Caloura 300mvsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Caloura 300m42mm
Armstrong Siddeley42mm
Power Reserve
Caloura 300m40h
Armstrong Siddeley—
Water Resistance
Caloura 300m300m
Armstrong Siddeley100m
MSRP
Caloura 300m$275
Armstrong Siddeley$980
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
42mm
Thickness
13.9mm
12mm
Lug-to-Lug
44.20mm
52mm
Lug Width
22mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Black
Cream
Lume
BGW9
None
Movement
3 specsCaliber
NH35
Unitas 6498
Type
Automatic
Manual
Power Reserve
40h
—
Pricing
1 specsMSRP
$275
$980
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