Side by side

Bremont MBIIIvsMarathon GPQ (General Purpose Quartz) Field Watch

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

MBIII
BremontMBIII
MSRP $5,450
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

12 of 29 specs differ
Diameter
MBIII43mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
MBIII40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
MBIII100m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
MBIII$5,450
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
43mm
34mm
Thickness
14.5mm
11.5mm
Lug-to-Lug
41mm
Lug Width
14.5mm
16mm
Material
Stainless Steel
Fibreshell Composite
Water Resistance
100m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic
Dial Color
Armoured II
Black

Movement

2 specs
Caliber
BE-36AE
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$5,450
$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.

Bremont MBIII

The Bremont MBIII is praised for its versatile pilot's watch design, excellent dial visibility, and shock-resistant chronometer movement housed in a 43mm Trip-Tick case with a Faraday cage. Owners appreciate its unique origin story tied to Martin-Baker ejection seats and the brand's distinctive design language, with some noting the orange barrel accent. The watch features a 24-hour scale, 100m water resistance, and an improved Roto Click bezel. However, the "DANGER EJECTION SEAT" dial text is considered divisive, and its ETA 2892 GMT movement is not a "true" GMT as only the 24-hour hand is independently adjustable. On balance, owners and reviewers value the Bremont MBIII for its robust build and unique aviation-inspired narrative.

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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