Which is cheaper, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

At MSRP the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is the cheaper of the two at $399, against $650 for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch — a $251 gap before any retailer discounting.

Which is bigger, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 wears larger at 40mm versus 36mm for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch — a 4mm difference across the dial.

Which has better water resistance, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is rated to 200m versus 30m for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch.

What movement does the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 run compared to the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 runs a automatic caliber (Seiko NH35), while the Marathon GPQ-D (Officer's Quartz with Date) Field Watch runs a quartz (Swiss High-Torque Quartz (3J, EOL)).

Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsMarathon GPQ-D (Officer's Quartz with Date) Field Watch

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

Marathon GPQ-D (Officer's Quartz with Date) Field Watch

officers-watch-with-date-gpq-39mm-case-crown-defstan

MSRP $650

At a glance

17 of 29 specs differ

Diameter

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

GPQ-D (Officer's Quartz with Date) Field Watch36mm

Power Reserve

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

GPQ-D (Officer's Quartz with Date) Field Watch40h

Water Resistance

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

GPQ-D (Officer's Quartz with Date) Field Watch30m

MSRP

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

GPQ-D (Officer's Quartz with Date) Field Watch$650

Full specifications

Case

8 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

—

Black

Indices

—

Applied

Movement

5 specs

Caliber

Seiko NH35

Swiss High-Torque Quartz (3J, EOL)

Type

Automatic

Quartz

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$399

$650

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