Side by side

Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPHvsSpinnaker Bradner GMT

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

BR-X1 TOURBILLON  SAPPHIRE CHRONOGRAPH
Bell & RossBR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
MSRP $486,000
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

21 of 29 specs differ
Diameter
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH45mm
Bradner GMT42mm
Power Reserve
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
Bradner GMT40h
Water Resistance
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
Bradner GMT180m
MSRP
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH$486,000
Bradner GMT$299

Full specifications

Case

9 specs
Category
Chronograph
GMT
Diameter
45mm
42mm
Thickness
15mm
Lug-to-Lug
50mm
Lug Width
22mm
Material
Sapphire
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
180m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
BR-CAL.285
Seiko NH34A
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
$486,000
$299

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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 SAPPHIRE CHRONOGRAPH

The Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH is noted for its modern, Transformer-like 45mm case and superb, qualitative finishing on its skeletonized sapphire dial. The manually wound BR-CAL.283 movement offers a 4-day power reserve. However, the movement's use of a Dubois-Depraz module over an ETA base is a point of consideration against competitors with in-house calibers, and the watch carries a high price point, with limited editions ranging from $163,000 to $238,000. Overall, reviewers highlight the Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH's impressive finishing and unique aesthetic as key strengths, despite its considerable cost and modular movement construction.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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