Side by side

Bell & Ross BR-X1 TOURBILLON ROSE GOLD DIAMONDSvsBremont Terra Nova 42.5 Chronograph

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
Terra Nova 42.5 Chronograph
BremontTerra Nova 42.5 Chronograph
MSRP $5,700

At a glance

19 of 29 specs differ
Diameter
BR-X1 TOURBILLON ROSE GOLD DIAMONDS45mm
Terra Nova 42.5 Chronograph42.5mm
Power Reserve
BR-X1 TOURBILLON ROSE GOLD DIAMONDS
Terra Nova 42.5 Chronograph40h
Water Resistance
BR-X1 TOURBILLON ROSE GOLD DIAMONDS100m
Terra Nova 42.5 Chronograph100m
MSRP
BR-X1 TOURBILLON ROSE GOLD DIAMONDS$216,000
Terra Nova 42.5 Chronograph$5,700

Full specifications

Case

7 specs
Category
Chronograph
Diameter
45mm
42.5mm
Thickness
14.8mm
Lug Width
14.8mm
Material
Rose Gold
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
BR-CAL.283
ENG345
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
$5,700

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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 Terra Nova 42.5 Chronograph

The Bremont Terra Nova 42.5 Chronograph is noted for its 42.5mm Cupro-Aluminium case, which is described as blocky with satin finishing and minimal polishing, and a bi-directional bronze compass bezel with a black ceramic insert. Owners and reviewers highlight the satisfying winding action of the crown and crisp chronograph pushers, though one reviewer found the start/stop pusher required significant force. The watch features a green gradient dial with full-block Super-LumiNova numerals and is powered by a chronometer-rated automatic movement with a 56-hour power reserve and 100-meter water resistance. The CuAl7Si2 bronze alloy case is expected to patina over time, offering a warmer look and increased scratch resistance. One reviewer noted the prototype's rear sapphire caseback was too dark to appreciate the movement, and conspicuous text around the tourbillon window detracted from the dial.

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