A. Lange & Söhne Zeitwerk Honeygold "Lumen"

The A. Lange & Söhne Zeitwerk Honeygold "Lumen", reference 142.055, combines luminous jumping numerals with a 41.9 mm case in 18-carat HONEYGOLD. The watch is a limited edition of 200 pieces. The black semi-transparent dial is made of sapphire crystal and has a power-reserve indicator. The case measures 12.6 mm in height, has a see-through back and carries a 30 metre water-resistance rating. Manual-winding calibre L043.9 provides a 72-hour power reserve at 18,000 semi-oscillations per hour. The dark brown alligator leather strap is secured by a HONEYGOLD pin buckle. The constant-force escapement is incorporated in a movement comprising 462 parts.