Side by side

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300vsTudor Black Bay 54

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
Black Bay 54
TudorBlack Bay 54
MSRP $4,725

At a glance

14 of 29 specs differ
Diameter
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Black Bay 5437mm
Power Reserve
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Black Bay 5470h
Water Resistance
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
Black Bay 54200m
MSRP
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399
Black Bay 54$4,725

Full specifications

Case

5 specs
Diameter
39mm
37mm
Thickness
13mm
11.2mm
Lug-to-Lug
0mm
46mm
Finish
Polished + Satin
Caseback
Screw-down
Solid screw-down

Crystal & Dial

4 specs
AR Coating
Underside
Dial Color
Blue
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Miyota 8205
MT5400
Power Reserve
0h
70h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$399
$4,725

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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.

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

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