Side by side

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300vsTornek-Rayville Blakjak Time-elapse

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

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
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

16 of 29 specs differ
Diameter
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Blakjak Time-elapse42.5mm
Power Reserve
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Blakjak Time-elapse42h
Water Resistance
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
Blakjak Time-elapse200m
MSRP
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399
Blakjak Time-elapse$895

Full specifications

Case

6 specs
Diameter
39mm
42.5mm
Thickness
13mm
13.2mm
Lug-to-Lug
0mm
49mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Black
Indices
Applied
Lume
None
Superluminova

Movement

4 specs
Caliber
Miyota 8205
SII NH36
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
42h
Jewels
0
25

Pricing

1 specs
MSRP
$399
$895

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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.

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.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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