Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsGrand Seiko STGF387

Q: Which is cheaper, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Grand Seiko STGF387?

At MSRP the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 is the cheaper of the two at $429, against $4,200 for the Grand Seiko STGF387 — a $3,771 gap before any retailer discounting.

Q: Which is bigger, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Grand Seiko STGF387?

The Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 wears larger at 38mm versus 26mm for the Grand Seiko STGF387 — a 12mm difference across the dial.

Q: Which has better water resistance, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Grand Seiko STGF387?

The Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 is rated to 200m versus 100m for the Grand Seiko STGF387.

Q: What movement does the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 run compared to the Grand Seiko STGF387?

The Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 runs a automatic caliber (Seiko NH36), while the Grand Seiko STGF387 runs a quartz (4J51).

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

Grand Seiko STGF387

stgf387g

MSRP $4,200

At a glance

18 of 29 specs differ

Diameter

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

STGF38726mm

Power Reserve

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

STGF38740h

Water Resistance

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

STGF387100m

MSRP

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

STGF387$4,200

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Double Domed

Flat

AR Coating

Yes

Dial Color

—

Black

Indices

—

Applied

Movement

5 specs

Caliber

Seiko NH36

4J51

Type

Automatic

Quartz

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$429

$4,200

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