Side by side

Islander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05vsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

Q: Which is cheaper, the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

At MSRP the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 is the cheaper of the two at $429, against $1,150 for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a $721 gap before any retailer discounting.

Q: Which is bigger, the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition wears larger at 39.5mm versus 38mm for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 — a 1.5mm difference across the dial.

Q: Which has better water resistance, the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 is rated to 200m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

Q: What movement does the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 run compared to the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

Both watches run automatic movements — the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 uses the Seiko NH36 and the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition uses the 6R55.

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

Islander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05

islander-38mm-automatic-dive-watch-with-solid-link-bracelet-ar-sapphire-crystal-

MSRP $429

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

At a glance

15 of 29 specs differ

Diameter

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-0538mm

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Power Reserve

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05—

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Water Resistance

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05200m

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

MSRP

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05$429

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

—

Black

Indices

—

Applied

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko NH36

6R55

Beat Rate

0 vph

28,800 vph

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$429

$1,150

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