Side by side
Bell & Ross BR-X1 Tourbillon Titanium DiamondsvsMark Time Watches M 4
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
BR-X1 Tourbillon Titanium Diamonds45mm
M 439mm
Power Reserve
BR-X1 Tourbillon Titanium Diamonds—
M 4—
Water Resistance
BR-X1 Tourbillon Titanium Diamonds100m
M 4300m
MSRP
BR-X1 Tourbillon Titanium Diamonds$193,320
M 4—
Full specifications
Case
8 specsDiameter
45mm
39mm
Thickness
—
12.1mm
Lug-to-Lug
—
46mm
Lug Width
—
20mm
Material
Grade 5 Titanium
Stainless Steel
Finish
—
Brushed and polished
Water Resistance
100m
300m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal Shape
—
Flat
AR Coating
Underside
Inner
Dial Color
Grey
—
Indices
Applied indices
Applied
Lume
Super-LumiNova
None
Movement
5 specsCaliber
BR-CAL.283
Miyota 9039
Type
Manual
Automatic
Beat Rate
—
28,800 vph
Jewels
—
25
Complications
Hours/Minutes, Chronograph, Power Reserve Indicator, Tourbillon
None
Pricing
1 specsMSRP
$193,320
—
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