Side by side

Borealis Watch Co. Caloura 300mvsIslander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
IslanderIslander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
MSRP $429

At a glance

17 of 29 specs differ
Diameter
Caloura 300m42mm
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm
Power Reserve
Caloura 300m40h
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63—
Water Resistance
Caloura 300m300m
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m
MSRP
Caloura 300m$275
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429

Full specifications

Case

7 specs
Diameter
42mm
38mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
44.5mm
Lug Width
22mm
20mm
Finish
Brushed and polished
—
Water Resistance
300m
200m
Caseback
Solid
Engraved screw-in back

Crystal & Dial

5 specs
Crystal Shape
Flat
Double Domed
AR Coating
Inner
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None

Movement

4 specs
Caliber
NH35
Seiko NH36
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$275
$429

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