Side by side

Bremont Altitude 39 DatevsMarathon GPQ (General Purpose Quartz) Field Watch

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

Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

12 of 29 specs differ
Diameter
Altitude 39 Date39mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Altitude 39 Date40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Altitude 39 Date100m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Altitude 39 Date$4,250
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
39mm
34mm
Thickness
11.19mm
11.5mm
Lug-to-Lug
41mm
Lug Width
20mm
16mm
Material
316L Stainless Steel (DLC coated)
Fibreshell Composite
Water Resistance
100m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic
Dial Color
Silver
Black

Movement

2 specs
Caliber
BE-92AE
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$4,250
$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 Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

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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