Side by side
Bell & Ross BR 01 tourbillon airbornevsFears X James Porter & Son LE
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
BR 01 tourbillon airborne46mm
X James Porter & Son LE38mm
Power Reserve
BR 01 tourbillon airborne—
X James Porter & Son LE40h
Water Resistance
BR 01 tourbillon airborne100m
X James Porter & Son LE10m
MSRP
BR 01 tourbillon airborne$122,040
X James Porter & Son LE$3,292
Full specifications
Case
9 specsCategory
Skeleton
Dress
Diameter
46mm
38mm
Thickness
—
11.25mm
Lug-to-Lug
—
42mm
Lug Width
—
20mm
Material
Titanium
316L Stainless Steel (DLC coated)
Finish
—
Brushed and polished
Water Resistance
100m
10m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
Underside
Inner
Dial Color
Black
x James Porter & Son LE
Indices
—
Applied
Movement
5 specsCaliber
—
ETA 7001
Beat Rate
—
28,800 vph
Power Reserve
—
40h
Jewels
—
25
Complications
Power Reserve Indicator, Tourbillon
None
Pricing
1 specsMSRP
$122,040
$3,292
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