Side by side
A. Lange & Söhne Datograph PerpetualvsOblvlo JM Rotor
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Datograph Perpetual41mm
JM Rotor42mm
Power Reserve
Datograph Perpetual36h
JM Rotor42h
Water Resistance
Datograph Perpetual30m
JM Rotor50m
MSRP
Datograph Perpetual—
JM Rotor$299
Full specifications
Case
9 specsCategory
Chronograph
Sport
Diameter
41mm
42mm
Thickness
13.5mm
13mm
Lug-to-Lug
—
46mm
Lug Width
—
20mm
Material
18kt White Gold
Stainless Steel
Finish
18-carat white gold | Case back: sapphire glass
Brushed and polished
Water Resistance
30m
50m
Caseback
Sapphire display
Solid
Crystal & Dial
3 specsAR Coating
—
Inner
Dial Color
Gray
Black
Indices
—
Applied
Movement
6 specsCaliber
L952.1
Miyota 8215
Type
Manual
Automatic
Beat Rate
18,000 vph
28,800 vph
Power Reserve
36h
42h
Jewels
0
21
Complications
Perpetual Calendar, Chronograph, Moonphase, Big Date, Day Display
None
Pricing
1 specsMSRP
—
$299
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