Side by side
Borealis Watch Co. Caloura 300mvsIslander Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Caloura 300m42mm
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-29137mm
Power Reserve
Caloura 300m40h
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291—
Water Resistance
Caloura 300m300m
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291200m
MSRP
Caloura 300m$275
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291$499
Full specifications
Case
7 specsDiameter
42mm
37mm
Thickness
13.9mm
11.7mm
Lug-to-Lug
44.20mm
0mm
Lug Width
22mm
20mm
Finish
Brushed and polished
—
Water Resistance
300m
200m
Caseback
Solid
Screw-down
Crystal & Dial
4 specsAR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
4 specsCaliber
NH35
Miyota 90S5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$275
$499
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