Side by side

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300vsTudor Black Bay 58 Bronze

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 58 Bronze
TudorBlack Bay 58 Bronze
MSRP $5,850

At a glance

13 of 29 specs differ
Diameter
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Black Bay 58 Bronze39mm
Power Reserve
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Black Bay 58 Bronze70h
Water Resistance
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
Black Bay 58 Bronze200m
MSRP
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399
Black Bay 58 Bronze$5,850

Full specifications

Case

5 specs
Thickness
13mm
11.9mm
Lug-to-Lug
0mm
46mm
Material
Stainless Steel
Bronze
Finish
Brushed + Satin
Caseback
Screw-down
Engraved

Crystal & Dial

3 specs
AR Coating
Underside
Dial Color
Black
Indices
Applied

Movement

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

Pricing

1 specs
MSRP
$399
$5,850

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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 58 Bronze

The Tudor Black Bay 58 Bronze is widely praised for its unique, evolving aesthetic driven by its developing bronze patina, which owners describe as an incremental pleasure and a conversation starter. Reviewers highlight its warm, vintage feel, achieved through the aging bronze case, root-beer brown bezel, and rose gold-toned dive scale, complemented by applied Arabic numerals on a 39mm case. The MT5400 movement is noted for its 70-hour power reserve and COSC-certified accuracy, with one owner reporting a net loss of about one second every three days. The bezel action is described as firm and reassuring, tighter than steel Black Bay models. Owners report the watch wears well dressed up or down, and its finishing is favorably compared to higher-end brands. However, some owners note the soft bronze case scratches easily and can cause blueing on the wrist in hot weather.

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