A. Lange & Söhne Tourbograph Perpetual Honeygold "Homage to F. A. Lange"

The A. Lange & Söhne Tourbograph Perpetual Honeygold "Homage to F. A. Lange", reference 706.050FE, combines a split-seconds chronograph, tourbillon and perpetual calendar in an 18-carat HONEYGOLD case. This is a limited edition of 50 pieces. The case measures 43 mm across and 16.6 mm high, has 22 mm between the lugs and a see-through back, and is water resistant to 30 metres. The dial is made of black-rhodiumed HONEYGOLD and carries analogue date, weekday and moon-phase displays. A dark brown alligator leather strap fastens with a folding clasp. Manual-winding calibre L133.1 contains 684 parts. The movement incorporates a fusée-and-chain transmission, beats at 21,600 semi-oscillations per hour and has a 36-hour power reserve.