Side by side

Bell & Ross BR-03 Chrono BlacktrackvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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

At a glance

17 of 29 specs differ
Diameter
BR-03 Chrono Blacktrack42mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
BR-03 Chrono Blacktrack42 hoursh
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
BR-03 Chrono Blacktrack100m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
BR-03 Chrono Blacktrack$7,776
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

7 specs
Diameter
42mm
42.5mm
Thickness
15.1mm
Lug-to-Lug
50mm
Lug Width
20mm
Material
Ceramic
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Indices
Applied indices
Applied
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
BR-CAL.301
8R46
Beat Rate
28,800 vph
Power Reserve
42 hoursh
45h
Jewels
34
Complications
Hours/Minutes, Date, Chronograph
None

Pricing

1 specs
MSRP
$7,776
$3,000

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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.

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition is praised for its well-executed heritage inspiration, clean dial, and balanced design, with its in-house caliber 8R48 noted as a solid movement. Owners appreciate the Zaratsu polishing and the column wheel and vertical clutch on the 8R48 movement, considering it good value. Some find the date wheel deep-set and the bracelet lacking micro-adjustments. The 42.5mm x 15.1mm case size may be large for some wrists. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition highly for its heritage design and solid in-house movement.

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