Side by side

Zelos Hammerhead (Tantalum LE)vsMarathon 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.

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
GPQ-D (Officer's Quartz with Date) Field Watch
MarathonGPQ-D (Officer's Quartz with Date) Field Watch
MSRP $650

At a glance

11 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
GPQ-D (Officer's Quartz with Date) Field Watch36mm
Power Reserve
Hammerhead (Tantalum LE)40h
GPQ-D (Officer's Quartz with Date) Field Watch40h
Water Resistance
Hammerhead (Tantalum LE)300m
GPQ-D (Officer's Quartz with Date) Field Watch30m
MSRP
Hammerhead (Tantalum LE)$1,499
GPQ-D (Officer's Quartz with Date) Field Watch$650

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
44mm
36mm
Thickness
13mm
11mm
Lug Width
22mm
16mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black

Movement

2 specs
Caliber
Seiko NH35
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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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