Bell & Ross BR-X1 Tourbillon Sapphire ChronographvsRolex Cosmograph Daytona

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Bell & Ross BR-X1 Tourbillon Sapphire Chronograph at true scale

BR-X1 Tourbillon Sapphire Chronograph

Rolex Cosmograph Daytona at true scale

Cosmograph Daytona

Diameter

45mm

40mm

Water Resistance

n/a

100m

Power Reserve

n/a

72h

MSRP

$486,000

$42,700

lowest

Movement

Bell & Ross BR-CAL.285

4131

Case

5 specs
Diameter
45mm
40mm
Material
Sapphire
Oystersteel
Finish
n/a
18 kt yellow gold
Water Resistance
n/a
100m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

5 specs
Crystal Shape
n/a
Flat
AR Coating
Underside
n/a
Dial Color
Skeleton
Turquoise
Indices
Applied indices
Index
Lume
Super-LumiNova
Chromalight

Movement

8 specs
Caliber
Bell & Ross BR-CAL.285
4131
Type
Manual
Automatic
Beat Rate
n/a
28,800 vph
Power Reserve
n/a
72h
Jewels
n/a
47
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Hours/Minutes, Chronograph, Power Reserve Indicator, Tourbillon
Chronograph

Pricing

1 specs
MSRP
$486,000
$42,700
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bell & Ross BR-X1 Tourbillon Sapphire Chronograph

The Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH is noted for its modern, Transformer-like 45mm case with switch-style chronograph pushers and a skeletonized movement visible through a sapphire dial. Reviewers praise its superb and qualitative finishing and dial. However, the watch is criticized for its high price, with limited editions ranging from $163,000 to $238,000, and its movement relies on a Dubois-Depraz module over an ETA base, a point of consideration against competitors with in-house calibers. On balance, reviewers consider the Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH a significant image-builder for the brand, with its main drawbacks being its high price and modular movement.

Rolex Cosmograph Daytona

Owners widely report the Rolex Cosmograph Daytona offers remarkable comfort and wearability, with some praising its perfect proportions and sleeker feel, while others find the 40mm case size and bracelet exceptionally comfortable. Reviewers note a tweaked dial for improved legibility and a new ceramic bezel with a steel ring on recent references. However, opinions are split on its value, with some finding it overpriced relative to its market value and others appreciating its versatility. Some owners criticize the sub-dial placement and screw-down pushers, while others praise its superior accuracy and automatic movement. Overall, owners and reviewers rate the Rolex Cosmograph Daytona highly for its comfort and wrist presence, despite ongoing debate about its value proposition.

From video reviewers

The 18k yellow gold case and Cerachrom bezel are frequently cited strengths. The Oysterflex bracelet also received multiple mentions.