Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsFormex Reef 42 mm

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

GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

13 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
Reef 42 mm42mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
Reef 42 mm56h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
Reef 42 mm300m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
Reef 42 mm$2,414

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
34mm
42mm
Thickness
11.5mm
11.4mm
Lug-to-Lug
41mm
47mm
Lug Width
16mm
22mm
Material
Fibreshell Composite
Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
Sellita SW300-1
Type
Quartz
Automatic
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$420
$2,414

Follow this matchup

Get a note when Marathon GPQ (General Purpose Quartz) Field Watch vs Formex Reef 42 mm gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.