Reference:421.025FE
Movement:Manual
Case Material:Platinum
Case Diameter:41.9mm
Water Resistance:N/A
Caseback:Open
Clasp:Folding clasp
Functions:Hours Minutes Chronograph Date Day of the Week Indicator Leap Year Month Indicator Moon Phase Perpetual Calendar Power Reserve Indicator Small Seconds
Power Reserve:42 hours
Date AddedJanuary 6, 2020
BrandA. Lange & Söhne
Dial MaterialSilver
Strap ColorBlack
StyleClassic
Special FeaturesOpen Case Back, Limited Edition
Limited EditionLimited to 100 pieces
ComplicationsDay of the Week Indicator, Date, Month Indicator, Leap Year, Perpetual Calendar, Chronograph, Small Seconds, Power Reserve Indicator, Moon Phase