Model overview Model series
Datograph Perpetual
Style
Men's watch, dress watch
Warranty
2 years Authorized International Warranty
Movement Movement
Mechanical, hand-wound, a. Lange & Söhne in-house, l952.1
Case Case back
Scratch resistant sapphire crystal
Glass
Scratch resistant sapphire crystal
Dial Markers
Roman numerals and index markings
Strap Buckle
Folding clasp, platinum
Alternative model numbers