Side by side

Bell & Ross BR-X3 TOURBILLON MICRO-ROTORvsSpinnaker Dumas Automatic

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

BR-X3 TOURBILLON MICRO-ROTOR
Bell & RossBR-X3 TOURBILLON MICRO-ROTOR
MSRP $96,120
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

19 of 29 specs differ
Diameter
BR-X3 TOURBILLON MICRO-ROTOR40mm
Dumas Automatic44mm
Power Reserve
BR-X3 TOURBILLON MICRO-ROTOR52 hoursh
Dumas Automatic40h
Water Resistance
BR-X3 TOURBILLON MICRO-ROTOR50m
Dumas Automatic300m
MSRP
BR-X3 TOURBILLON MICRO-ROTOR$96,120
Dumas Automatic$239

Full specifications

Case

9 specs
Category
Skeleton
Diver
Diameter
40mm
44mm
Thickness
9mm
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Skeleton
Blue
Indices
Applied

Movement

5 specs
Caliber
BR-CAL.389
SII NH35A
Beat Rate
28,800 vph
Power Reserve
52 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Tourbillon
None

Pricing

1 specs
MSRP
$96,120
$239

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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-X3 TOURBILLON MICRO-ROTOR

The Bell & Ross BR-X3 TOURBILLON MICRO-ROTOR is noted for its comfortable 40mm square case with well-rounded edges and a bold, artistic design. Reviewers highlight its wearable case that seamlessly integrates with the strap and a well-executed dial structure. The watch features a Kenissi-manufactured calibre with a 70-hour power reserve and COSC certification, though one source notes the absence of hour markers on the dial. The BR-X3 TOURBILLON MICRO-ROTOR is priced at $7,200 USD. Overall, reviewers praise the Bell & Ross BR-X3 TOURBILLON MICRO-ROTOR for its comfortable wearability and artistic dial execution.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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