Which is cheaper, the Halios Seaforth IV or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

At MSRP the Marathon GPQ-D (Officer's Quartz with Date) Field Watch is the cheaper of the two at $650, against $765 for the Halios Seaforth IV — a $115 gap before any retailer discounting.

Which is bigger, the Halios Seaforth IV or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Halios Seaforth IV 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 Halios Seaforth IV or the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Halios Seaforth IV is rated to 200m versus 30m for the Marathon GPQ-D (Officer's Quartz with Date) Field Watch.

What movement does the Halios Seaforth IV run compared to the Marathon GPQ-D (Officer's Quartz with Date) Field Watch?

The Halios Seaforth IV runs a automatic caliber (Sellita SW200-2), while the Marathon GPQ-D (Officer's Quartz with Date) Field Watch runs a quartz (Swiss High-Torque Quartz (3J, EOL)).

Side by side

Halios Seaforth IVvsMarathon 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.

Halios Seaforth IV

seaforth-iv-gs-sunburst-blue

MSRP $765

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

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

MSRP $650

At a glance

12 of 29 specs differ

Diameter

Seaforth IV40mm

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

Power Reserve

Seaforth IV40h

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

Water Resistance

Seaforth IV200m

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

MSRP

Seaforth IV$765

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

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire (double-domed)

Sapphire

Dial Color

Blue

Black

Movement

2 specs

Caliber

Sellita SW200-2

Swiss High-Torque Quartz (3J, EOL)

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$765

$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.

Halios Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

WatchUSeek·5

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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