Side by side
Bell & Ross BR-X2 tourbillon skeleton micro rotorvsLum-Tec B64 Chronograph
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-X2 tourbillon skeleton micro rotor42.5mm
B64 Chronograph44mm
Power Reserve
BR-X2 tourbillon skeleton micro rotor—
B64 Chronograph40h
Water Resistance
BR-X2 tourbillon skeleton micro rotor50m
B64 Chronograph100m
MSRP
BR-X2 tourbillon skeleton micro rotor$74,520
B64 Chronograph$545
Full specifications
Case
8 specsCategory
Skeleton
Chronograph
Diameter
42.5mm
44mm
Lug-to-Lug
—
51.5mm
Lug Width
—
22mm
Material
Stainless Steel
Titanium (DLC coated)
Finish
—
Brushed and polished
Water Resistance
50m
100m
Caseback
—
Solid
Crystal & Dial
6 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
Underside
Inner
Dial Color
Skeleton
Standard
Indices
Applied indices
Applied
Lume
Super-LumiNova
None
Movement
5 specsCaliber
BR-CAL.381
—
Beat Rate
—
28,800 vph
Power Reserve
—
40h
Jewels
—
25
Complications
Hours/Minutes, Tourbillon
None
Pricing
1 specsMSRP
$74,520
$545
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