Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsGrand Seiko SBGE253

Q: Which is cheaper, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Grand Seiko SBGE253?

At MSRP the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is the cheaper of the two at $399, against $6,900 for the Grand Seiko SBGE253 — a $6,501 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 SBGE253?

The Grand Seiko SBGE253 wears larger at 40.5mm versus 40mm for the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 — a 0.5mm 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 SBGE253?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 runs a automatic caliber (Seiko NH35), while the Grand Seiko SBGE253 runs a spring drive (9R66).

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 SBGE253

sbge253g

MSRP $6,900

At a glance

14 of 29 specs differ

Diameter

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

SBGE25340.5mm

Power Reserve

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

SBGE25372h

Water Resistance

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

SBGE253200m

MSRP

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

SBGE253$6,900

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Dial Color

—

Black

Indices

—

Applied

Movement

5 specs

Caliber

Seiko NH35

9R66

Type

Automatic

Spring Drive

Beat Rate

0 vph

28,800 vph

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$399

$6,900

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