Side by side

Maen Skymaster 38 MKIIIvsMarathon GPQ (General Purpose Quartz) Field Watch

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

Skymaster 38 MKIII
MaenSkymaster 38 MKIII
MSRP $1,679
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

12 of 29 specs differ
Diameter
Skymaster 38 MKIII38mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Skymaster 38 MKIII40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Skymaster 38 MKIII100m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Skymaster 38 MKIII$1,679
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Chronograph
Field
Diameter
38mm
34mm
Thickness
13.4mm
11.5mm
Lug-to-Lug
41mm
Lug Width
16mm
Material
316L Stainless Steel
Fibreshell Composite
Water Resistance
100m
30m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Acrylic
Dial Color
M6.1.1
Black

Movement

2 specs
Caliber
Sellita SW510mb
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,679
$420

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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.

Maen Skymaster 38 MKIII

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which offers a premium feel with a sharp, legible dial and well-executed applied markers. Reviewers note the sweet winding action and the vintage-inspired brown sunburst dial with dauphine hands and lollipop register pointers. The watch is powered by a manual-wind Sellita SW510Mb movement with a 63-hour power reserve. Accuracy figures vary, with one reviewer reporting +7 seconds per day and another stating a tolerance of +/-15 seconds per day. On balance, owners and reviewers appreciate the Maen Skymaster 38 MKIII for its refined vintage-inspired design and compact dimensions at its price point.

From video reviewers

The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.

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.

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