Side by side

Borealis Watch Co. Bull Shark V2vsIslander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

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

Bull Shark V2
Borealis Watch Co.Bull Shark V2
MSRP $495
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
IslanderIslander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
MSRP $399

At a glance

17 of 29 specs differ
Diameter
Bull Shark V238mm
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Power Reserve
Bull Shark V240h
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Water Resistance
Bull Shark V2300m
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
MSRP
Bull Shark V2$495
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399

Full specifications

Case

7 specs
Diameter
38mm
39mm
Thickness
12.60mm
13mm
Lug-to-Lug
47.00mm
0mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Screw-down

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9039
Miyota 8205
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$495
$399

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Borealis Watch Co. Bull Shark V2

The red bezel is a standout feature. The watch wears small, which is a concern for larger wrists.

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

The Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 is praised for its 39mm size and comfortable fit, with its bi-directional dual time bezel noted as a useful feature for tracking different time zones. Owners appreciate the lumed ceramic bezel and the slightly domed sapphire crystal. One owner specifically highlights the dial layout as a strong positive. The screw-down crown is also mentioned as a nice touch. On balance, owners rate the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 highly for its wearability and functional bezel.

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