Side by side

Bell & Ross BRS BLACK DIAMOND EAGLE DIAMONDSvsMarathon GPQ (General Purpose Quartz) Field Watch

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

BRS BLACK DIAMOND EAGLE DIAMONDS
Bell & RossBRS BLACK DIAMOND EAGLE DIAMONDS
MSRP $7,128
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

19 of 29 specs differ
Diameter
BRS BLACK DIAMOND EAGLE DIAMONDS39mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
BRS BLACK DIAMOND EAGLE DIAMONDS
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
BRS BLACK DIAMOND EAGLE DIAMONDS100m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
BRS BLACK DIAMOND EAGLE DIAMONDS$7,128
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

9 specs
Category
Field
Diameter
39mm
34mm
Thickness
11.5mm
Lug-to-Lug
41mm
Lug Width
16mm
Material
Ceramic
Fibreshell Composite
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
AR Coating
Underside
Inner
Indices
Applied

Movement

5 specs
Caliber
BR-CAL.102
Swiss High-Torque Quartz (3J, EOL)
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
Hours/Minutes
None

Pricing

1 specs
MSRP
$7,128
$420

Follow this matchup

Get a note when Bell & Ross BRS BLACK DIAMOND EAGLE DIAMONDS vs Marathon GPQ (General Purpose Quartz) Field Watch 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.

Bell & Ross BRS BLACK DIAMOND EAGLE DIAMONDS

The Bell & Ross BRS BLACK DIAMOND EAGLE DIAMONDS is a 39mm ceramic quartz watch with a subsidiary seconds dial and SuperLumiNova. Owners describe it as stunning, with aesthetics outweighing movement quality for some, and find it incredible on the wrist. Opinions on its appearance are split, with some finding it elegant and others ugly. On balance, owners and reviewers find the Bell & Ross BRS BLACK DIAMOND EAGLE DIAMONDS to be a visually striking watch, with its aesthetic appeal being its primary draw.

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.

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.