What movement does the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 run compared to the Grand Seiko SBGH263?

Both watches run automatic movements — the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 uses the Seiko NH36 and the Grand Seiko SBGH263 uses the 9S85.

Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsGrand Seiko SBGH263

Q: Which is cheaper, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Grand Seiko SBGH263?

At MSRP the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 is the cheaper of the two at $399, against $6,200 for the Grand Seiko SBGH263 — a $5,801 gap before any retailer discounting.

Q: Which is bigger, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Grand Seiko SBGH263?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 wears larger at 45mm versus 39.5mm for the Grand Seiko SBGH263 — a 5.5mm difference across the dial.

Q: Which has better water resistance, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Grand Seiko SBGH263?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 is rated to 200m versus 30m for the Grand Seiko SBGH263.

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

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

islander-automatic-turtle-dive-watch-with-blue-dial-isl-301

MSRP $399

Grand Seiko SBGH263

sbgh263g

MSRP $6,200

At a glance

17 of 29 specs differ

Diameter

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm

SBGH26339.5mm

Power Reserve

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—

SBGH26355h

Water Resistance

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m

SBGH26330m

MSRP

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399

SBGH263$6,200

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Double Domed

Flat

AR Coating

Underside

Yes

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH36

9S85

Beat Rate

0 vph

28,800 vph

Power Reserve

55h

Jewels

Pricing

1 specs

MSRP

$399

$6,200

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