Side by side

Islander Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34vsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Q: Which is cheaper, the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 is the cheaper of the two at $469, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,831 gap before any retailer discounting.

Q: Which is bigger, the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 43mm for the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 — a 1mm difference across the dial.

Q: What movement does the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 run compared to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34 uses the Seiko NH36 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

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

Islander Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34

islander-black-dial-automatic-dive-watch-with-dlc-case-and-bracelet-ar-sapphire-

MSRP $469

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

16 of 29 specs differ

Diameter

Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-3443mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34—

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34200m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34$469

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs

Diameter

43mm

44mm

Thickness

14mm

13mm

Lug-to-Lug

46mm

49.3mm

Lug Width

22mm

20mm

Finish

—

Brushed and polished

Caseback

Engraved screw-in back

Solid

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, index(es) and bezel

Movement

4 specs

Caliber

Seiko NH36

8L35

Beat Rate

0 vph

28,800 vph

Power Reserve

50h

Jewels

Pricing

1 specs

MSRP

$469

$3,300

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