Side by side

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300vsSugess Ocean Star S421

Q: Which is cheaper, the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 or the Sugess Ocean Star S421?

At MSRP the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 is the cheaper of the two at $399, against $449 for the Sugess Ocean Star S421 — a $50 gap before any retailer discounting.

Q: Which is bigger, the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 or the Sugess Ocean Star S421?

The Sugess Ocean Star S421 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 Sugess Ocean Star S421?

The Sugess Ocean Star S421 is rated to 300m versus 200m for the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300.

Q: What movement does the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 run compared to the Sugess Ocean Star S421?

Both watches run automatic movements — the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 uses the Miyota 8205 and the Sugess Ocean Star S421 uses the Seagull ST2130/Seiko NH35.

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

Sugess Ocean Star S421

S421

MSRP $449

At a glance

16 of 29 specs differ

Diameter

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

Ocean Star S42140mm

Power Reserve

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

Ocean Star S42140h

Water Resistance

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

Ocean Star S421300m

MSRP

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

Ocean Star S421$449

Full specifications

Case

6 specs

Diameter

39mm

40mm

Thickness

13mm

12.7mm

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

—

SU116610LB Black

Indices

—

Applied

Movement

5 specs

Caliber

Miyota 8205

Seagull ST2130/Seiko NH35

Beat Rate

0 vph

4 vph

Power Reserve

40h

Jewels

Complications

None

GMT, Chronograph, Moonphase, Date

Pricing

1 specs

MSRP

$399

$449

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