Side by side

Bell & Ross BR-03 Chrono BlacktrackvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

BR-03 Chrono Blacktrack
Bell & RossBR-03 Chrono Blacktrack
MSRP $7,776
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

20 of 29 specs differ
Diameter
BR-03 Chrono Blacktrack42mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
BR-03 Chrono Blacktrack42 hoursh
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
BR-03 Chrono Blacktrack100m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
BR-03 Chrono Blacktrack$7,776
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
42mm
41mm
Thickness
14mm
Lug-to-Lug
48mm
Lug Width
20mm
Material
Ceramic
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Anthracite
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
BR-CAL.301
Sellita SW200-1
Beat Rate
28,800 vph
Power Reserve
42 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Date, Chronograph
None

Pricing

1 specs
MSRP
$7,776
$2,100

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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-03 Chrono Blacktrack

Owners widely appreciate the Bell & Ross BR-03 Chrono Blacktrack for its unique square, military-inspired, stealthy all-black ceramic design and dial styled like a motorcycle's cooling grid, finding it a refreshing alternative to common styles. Reviewers note the watch's surprising wearability, particularly with flared straps, and its futuristic design with personality. Accuracy figures vary, with one source reporting +10 seconds per day for the ETA 2894-2 based BR-CAL.301 movement, which has a 42-hour power reserve. Some owners criticize the use of rebranded base movements and significant depreciation, while one reviewer found the padded, quilted strap less comfortable than usual and noted poor lume. On balance, owners and reviewers rate the Bell & Ross BR-03 Chrono Blacktrack well for its distinctive, personality-filled design.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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