Side by side

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

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 Sea?

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 $625 for the Seiko Prospex Sea — a $196 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 Sea?

The Seiko Prospex Sea wears larger at 43.8mm versus 38mm for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 — a 5.8mm difference across the dial.

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 Sea?

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 Sea uses the 4R35.

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 Sea

srpe37

MSRP $625

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 Sea43.8mm

Power Reserve

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

Prospex Sea41h

Water Resistance

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

Prospex Sea200m

MSRP

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

Prospex Sea$625

Full specifications

Case

6 specs

Diameter

38mm

43.8mm

Thickness

13mm

12.8mm

Lug-to-Lug

44.5mm

48.7mm

Lug Width

20mm

22mm

Finish

—

Brushed and polished

Caseback

Engraved screw-in back

Solid

Crystal & Dial

4 specs

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

—

Black

Indices

—

Applied

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Seiko NH36

4R35

Beat Rate

0 vph

28,800 vph

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$429

$625

Follow this matchup

Get a note when Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring