Side by side

Bell & Ross BR-X2 tourbillon skeleton micro rotorvsSpinnaker Dumas Automatic

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

BR-X2 tourbillon skeleton micro rotor
Bell & RossBR-X2 tourbillon skeleton micro rotor
MSRP $74,520
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

20 of 29 specs differ
Diameter
BR-X2 tourbillon skeleton micro rotor42.5mm
Dumas Automatic44mm
Power Reserve
BR-X2 tourbillon skeleton micro rotor
Dumas Automatic40h
Water Resistance
BR-X2 tourbillon skeleton micro rotor50m
Dumas Automatic300m
MSRP
BR-X2 tourbillon skeleton micro rotor$74,520
Dumas Automatic$239

Full specifications

Case

9 specs
Category
Skeleton
Diver
Diameter
42.5mm
44mm
Thickness
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

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

Movement

5 specs
Caliber
BR-CAL.381
SII NH35A
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
Hours/Minutes, Tourbillon
None

Pricing

1 specs
MSRP
$74,520
$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-X2 tourbillon skeleton micro rotor

The Bell & Ross BR-X2 tourbillon skeleton micro rotor is praised for its novel design, integrating the case and movement into a single sapphire crystal structure. Owners find the 42.5mm watch comfortable for daily wear and note its masculine appeal. Reviewers flag that the satin-finished hands can blend too much with the dial, impacting legibility.

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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