A. Lange & Söhne Zeitwerk Date

The A. Lange & Söhne Zeitwerk Date, reference 148.033, displays jumping numerals in a 44.2 mm case of 18-carat pink gold. The grey dial is crafted from 925 silver and carries a power-reserve indicator and ring-date display that switches at midnight. The case measures 12.3 mm high, has a see-through back and is water resistant to 30 metres. A dark brown alligator leather strap closes with a pink-gold pin buckle. Manual-winding calibre L043.8 runs at 18,000 semi-oscillations per hour and has a 72-hour power reserve. Assembled from 516 parts, the movement incorporates a constant-force escapement.