Side by side

Bell & Ross BR-X1 TOURBILLON ROSE GOLD DIAMONDSvsBremont Altitude Perpetual Calendar GMT

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

BR-X1 TOURBILLON  ROSE GOLD DIAMONDS
Bell & RossBR-X1 TOURBILLON ROSE GOLD DIAMONDS
MSRP $216,000
Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450

At a glance

20 of 29 specs differ
Diameter
BR-X1 TOURBILLON ROSE GOLD DIAMONDS45mm
Altitude Perpetual Calendar GMT42mm
Power Reserve
BR-X1 TOURBILLON ROSE GOLD DIAMONDS
Altitude Perpetual Calendar GMT40h
Water Resistance
BR-X1 TOURBILLON ROSE GOLD DIAMONDS100m
Altitude Perpetual Calendar GMT
MSRP
BR-X1 TOURBILLON ROSE GOLD DIAMONDS$216,000
Altitude Perpetual Calendar GMT$38,450

Full specifications

Case

8 specs
Category
GMT
Diameter
45mm
42mm
Thickness
12.65mm
Lug Width
22mm
Material
Rose Gold
Titanium
Finish
Brushed and polished
Water Resistance
100m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
BR-CAL.283
Type
Manual
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
Hours/Minutes, Chronograph, Power Reserve Indicator, Tourbillon
None

Pricing

1 specs
MSRP
$216,000
$38,450

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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-X1 TOURBILLON ROSE GOLD DIAMONDS

The Bell & Ross BR-X1 TOURBILLON ROSE GOLD DIAMONDS is a luxurious, technically advanced timepiece with a modern, drone-inspired design and a skeletonized movement. Owners and reviewers highlight its unique, Transformer-like evolution of the BR 01, featuring switch-style or rocker-style chronograph pushers and a diamond-set bezel that some describe as fitting for a Bond villain. The watch houses a manually wound caliber BR-CAL.283 movement with a 4-day power reserve, operating at 3Hz, and includes time, subsidiary seconds via the tourbillon, a 30-minute monopusher chronograph, and a power reserve indicator. While the overall quality is high and the rose gold trim transforms it into an elegant watch, one reviewer notes its base movement is not in-house. On balance, the Bell & Ross BR-X1 TOURBILLON ROSE GOLD DIAMONDS is highly regarded for its futuristic design and precious materials.

Bremont Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

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