Side by side
Aera Instruments M-1vsBell & Ross BR-05 Diamond
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
M-139mm
BR-05 Diamond40mm
Power Reserve
M-142h
BR-05 Diamond—
Water Resistance
M-1100m
BR-05 Diamond100m
MSRP
M-1—
BR-05 Diamond$24,829
Full specifications
Case
6 specsDiameter
39mm
40mm
Thickness
13.14mm
—
Lug-to-Lug
47.6mm
—
Lug Width
20mm
—
Finish
Brushed and polished
—
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
Underside
Dial Color
Dune
Black
Indices
Applied
Applied indices
Movement
6 specsCaliber
Sellita SW216-1
BR-CAL.321
Type
Manual
Automatic
Beat Rate
28,800 vph
—
Power Reserve
42h
—
Jewels
25
—
Complications
None
Hours/Minutes, Seconds, Date
Pricing
1 specsMSRP
—
$24,829
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