What movement does the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 uses the Miyota 8205 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300vsHelgray Poseidon Diver (Automatic)

Q: Which is cheaper, the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $399 for the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 — a $150 gap before any retailer discounting.

Q: Which is bigger, the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 39mm for the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 — a 1mm difference across the dial.

Q: Which has better water resistance, the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the 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.

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

islander-greenport-39mm-dive-watch-with-black-and-white-dial-isl-300

MSRP $399

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

15 of 29 specs differ

Diameter

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm

Poseidon Diver (Automatic)40mm

Power Reserve

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

Poseidon Diver (Automatic)40h

Water Resistance

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m

Poseidon Diver (Automatic)300m

MSRP

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Diameter

39mm

40mm

Thickness

13mm

12mm

Lug-to-Lug

0mm

46mm

Finish

—

Brushed and polished

Water Resistance

200m

300m

Caseback

Screw-down

Solid

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Miyota 8205

NH35 Warranty

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$399

$249

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