Which is cheaper, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $429 for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 — a $180 gap before any retailer discounting.

Which is bigger, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 38mm for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 — a 2mm difference across the dial.

What movement does the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 uses the Seiko NH36 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsHelgray Poseidon Diver (Automatic)

Q: Which has better water resistance, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63.

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

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

islander-38mm-automatic-dive-watch-with-radiant-blue-dial-isl-63

MSRP $429

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

15 of 29 specs differ

Diameter

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm

Poseidon Diver (Automatic)40mm

Power Reserve

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63—

Poseidon Diver (Automatic)40h

Water Resistance

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m

Poseidon Diver (Automatic)300m

MSRP

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Diameter

38mm

40mm

Thickness

13mm

12mm

Lug-to-Lug

44.5mm

46mm

Finish

—

Brushed and polished

Water Resistance

200m

300m

Caseback

Engraved screw-in back

Solid

Crystal & Dial

4 specs

Crystal Shape

Double Domed

Flat

AR Coating

Yes

Inner

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH36

NH35 Warranty

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$429

$249

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