The LANGE 1 TOURBILLON PERPETUAL CALENDAR is the most complex member of the LANGE 1 family. It takes a glance through the sapphire-crystal caseback to reveal its tourbillon. The model version in white gold features a grey dial crafted from solid silver.
Type
Automatic
Movement Type
Automatic
Caliber
L082.1Jewels
76
Reserve
50
Frequency
21600
Hands
Small Seconds
Power Reserve
50h
Frequency
21600 A/h
Complication
tourbillon
Complication
perpetual calendar
Shape
Round
Material
18-carat white gold
Glass
Sapphire
Thickness
12.2mm
Diameter
41.9mm
Water Resistance
30m
Dial Color
Grey
Material
Alligator leather
Buckle
Deployant buckle
Color
Black
Features
624 parts, Outsize date, day/night indicator, moon-phase display, day-of-week display