Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsGrand Seiko SBGJ237

Q: Which is cheaper, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Grand Seiko SBGJ237?

At MSRP the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is the cheaper of the two at $399, against $7,600 for the Grand Seiko SBGJ237 — a $7,201 gap before any retailer discounting.

Q: Which is bigger, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Grand Seiko SBGJ237?

The Grand Seiko SBGJ237 wears larger at 44.2mm versus 40mm for the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 — a 4.2mm difference across the dial.

Q: What movement does the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 run compared to the Grand Seiko SBGJ237?

Both watches run automatic movements — the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 uses the Seiko NH35 and the Grand Seiko SBGJ237 uses the 9S86.

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

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

islander-bayport-automatic-dive-watch-with-blue-wave-dial-isl-311

MSRP $399

Grand Seiko SBGJ237

sbgj237g

MSRP $7,600

At a glance

14 of 29 specs differ

Diameter

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm

SBGJ23744.2mm

Power Reserve

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—

SBGJ23755h

Water Resistance

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m

SBGJ237200m

MSRP

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399

SBGJ237$7,600

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH35

9S86

Beat Rate

0 vph

28,800 vph

Power Reserve

55h

Jewels

Pricing

1 specs

MSRP

$399

$7,600

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