| Brand: A. Lange & Sohne | 
                      
                        | Series: Datograph | 
                      
                        | Title : Datograph Perpetual | 
 
                        | Country of origin : Germany | 
                        | Type of watch  : Gents | 
 
                        | power reserve : 36 of watches | 
 
                        | case diameter  : 41 ΠΌΠΌ | 
 
                        | Case thickness (mm)   : 13.5 mm | 
 
                        | Hand Works Chrono
 Clock
 minute
 second hand
 date
 tachometer scale
 lunar calendar
 perpetual calendar
 transparent back
 Watches
 
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