Side by side

Astor + Banks Fortitude ProvsIslander 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.

Fortitude Pro
Astor + BanksFortitude Pro
MSRP $675
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

16 of 29 specs differ
Diameter
Fortitude Pro38.5mm
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Power Reserve
Fortitude Pro40h
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Water Resistance
Fortitude Pro200m
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
MSRP
Fortitude Pro$675
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
38.5mm
39mm
Thickness
11.9mm
13mm
Lug-to-Lug
45.5mm
0mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Magenta
Indices
Applied

Movement

4 specs
Caliber
Miyota 9015
Miyota 8205
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$675
$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.

Astor + Banks Fortitude Pro

Owners and reviewers widely praise the Astor + Banks Fortitude Pro for its scratch-resistant coating, thin and compact 38.5mm case, and versatile dial options. The layered finishing with polished chamfers and comfortable bracelet are frequently highlighted as strong points, contributing to its wearability. One owner notes good timekeeping, while a reviewer states the Miyota 9015 movement is adjusted to +/-10 seconds per day. A potential drawback mentioned is the date numeral appearing in half shadow due to anti-magnetic shielding, and one owner considers the bracelet clasp dated. Overall, owners and reviewers rate the Astor + Banks Fortitude Pro highly for its durable construction and thoughtful design at its price point.

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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