A. Lange & Sohne Zeitwerk 41.9mm

Case:
18k rose gold.
Diameter: 41.9 mm.
Thickness: 12.6 mm.
Scratch-resistant sapphire crystal glass on both sides of the case.
Water-resistant to 30 meters.
Dial:
Solid silver.
Time in hours and minutes displays digitally with jumping numerals.
Rose gold hands.
Seconds sub-dial.
Constant-force escapement.
Power-reserve indicator.
Movement:
Manual winding.
Calibre L043.1.
Power reserve of 36 hours.
66 jewels.
Frequency: 21600 vibrations per hour.
Bracelet:
Brown alligator leather.
Rose gold buckle.