Side by side

Bell & Ross BR-05 DiamondvsMarathon GPQ-D (Officer's Quartz with Date) Field Watch

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

BR-05 Diamond
Bell & RossBR-05 Diamond
MSRP $24,829
GPQ-D (Officer's Quartz with Date) Field Watch
MarathonGPQ-D (Officer's Quartz with Date) Field Watch
MSRP $650

At a glance

20 of 29 specs differ
Diameter
BR-05 Diamond40mm
GPQ-D (Officer's Quartz with Date) Field Watch36mm
Power Reserve
BR-05 Diamond
GPQ-D (Officer's Quartz with Date) Field Watch40h
Water Resistance
BR-05 Diamond100m
GPQ-D (Officer's Quartz with Date) Field Watch30m
MSRP
BR-05 Diamond$24,829
GPQ-D (Officer's Quartz with Date) Field Watch$650

Full specifications

Case

9 specs
Category
Field
Diameter
40mm
36mm
Thickness
11mm
Lug-to-Lug
44mm
Lug Width
16mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
BR-CAL.321
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
Hours/Minutes, Seconds, Date
None

Pricing

1 specs
MSRP
$24,829
$650

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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.

Bell & Ross BR-05 Diamond

Owners widely praise the Bell & Ross BR-05 Diamond's design and build quality, noting its comfortable wearability and a less derivative appearance in person. The contrast between brushed and polished finishes, along with the blue sunray dial, contributes to its appeal as a versatile integrated steel sports watch. Some owners, however, find the crown to be a bit fussy and criticize the high price relative to the SW300-1 movement. On balance, owners rate the Bell & Ross BR-05 Diamond highly for its striking design and versatile wearability.

Marathon GPQ-D (Officer's Quartz with Date) Field Watch

Marathon GPQ-D (Officer's Quartz with Date) Field Watch owners praise its tritium tubes, Mil-spec designation, and scratch-resistant case finish, with some finding the 36mm size practical for field use. However, some owners criticize its perceived overpriced nature, thick case, and squared-off lugs, while others point to the composite case material, 30m water resistance, and unbranded movement as drawbacks. On balance, owners are divided on the Marathon GPQ-D (Officer's Quartz with Date) Field Watch, with opinions split on its value and design features.

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