Side by side

Islander Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18vsMarathon GPQ-D (Officer's Quartz with Date) Field Watch

Q: Which is cheaper, the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

At MSRP the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 is the cheaper of the two at $429, against $650 for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch — a $221 gap before any retailer discounting.

Q: Which is bigger, the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 wears larger at 43mm versus 36mm for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch — a 7mm difference across the dial.

Q: Which has better water resistance, the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 is rated to 200m versus 30m for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch.

Q: What movement does the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 run compared to the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 runs a automatic caliber (Seiko NH36), while the Marathon GPQ-D (Officer's Quartz with Date) Field Watch runs a quartz (Swiss High-Torque Quartz (3J, EOL)).

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

Islander Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18

islander-automatic-dive-watch-with-bracelet-double-domed-ar-sapphire-crystal-and

MSRP $429

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

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

MSRP $650

At a glance

19 of 29 specs differ

Diameter

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-1843mm

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

Power Reserve

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18—

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

Water Resistance

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18200m

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

MSRP

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18$429

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

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Double Domed

Flat

AR Coating

Yes

Inner

Dial Color

—

Black

Indices

—

Applied

Movement

5 specs

Caliber

Seiko NH36

Swiss High-Torque Quartz (3J, EOL)

Type

Automatic

Quartz

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$429

$650

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 owners praise its $300 value, noting the double-domed AR sapphire crystal and embossed ceramic bezel. The 43mm size is appreciated, and the NH36 movement offers hand-winding and hacking. On balance, owners rate the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 highly for its substantial feel and feature set at the price point.

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

Marathon GPQ-D (Officer's Quartz with Date) Field Watch owners praise its tritium tubes, Mil-spec designation, and scratch-resistant case finish, with some finding the 36mm size practical for field use. However, some owners criticize its perceived overpriced nature, thick case, and squared-off lugs, while others point to the composite case material, 30m water resistance, and unbranded movement as drawbacks. On balance, owners are divided on the Marathon GPQ-D (Officer's Quartz with Date) Field Watch, with opinions split on its value and design features.

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