Side by side

Bell & Ross BR-03 Chrono BlacktrackvsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

20 of 29 specs differ
Diameter
BR-03 Chrono Blacktrack42mm
Dumas GMT44mm
Power Reserve
BR-03 Chrono Blacktrack42 hoursh
Dumas GMT40h
Water Resistance
BR-03 Chrono Blacktrack100m
Dumas GMT300m
MSRP
BR-03 Chrono Blacktrack$7,776
Dumas GMT$399

Full specifications

Case

9 specs
Category
Chronograph
GMT
Diameter
42mm
44mm
Thickness
15mm
Lug-to-Lug
48mm
Lug Width
22mm
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
Blue
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
BR-CAL.301
Seiko NH34A
Beat Rate
28,800 vph
Power Reserve
42 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Date, Chronograph
None

Pricing

1 specs
MSRP
$7,776
$399

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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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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