A. Lange & Söhne Lange 1 DAYMATIC “25th Anniversary” Limited Edition

The LANGE 1 DAYMATIC was introduced in 2010 as the self-winding mirror image of the LANGE 1 that celebrates its 25th anniversary this year. Featuring a retrograde day-of-week display, this white-gold model with blue accents belongs to the ten timepiece anniversary collection that comes in limited editions of just 25 watches.

At first sight, the LANGE 1 DAYMATIC looks like a typical LANGE 1. Nonetheless, it differs from the manually wound original in a key aspect: its asymmetrical dial was mirrored. The hours and minutes have been shifted to the right, the subsidiary seconds and the outsize date to the left.

The power-reserve indicator of the LANGE 1, located adjacent to the crown, has been replaced in the LANGE 1 DAYMATIC with a retrograde day-of-week display on the opposite side. This is based on the realisation that in a self-winding watch, the weekday information is more relevant than the current state of wind. Additionally, the day-of-week display ideally complements the outsize date.

The special features of the LANGE 1 DAYMATIC “25th Anniversary” include a white-gold case with a diameter of 39.5 millimetres and an argenté-coloured, recessed dial with blued steel hands. The inscriptions, including the numerals of the Lange outsize date, echo the blue hue of the hands. A blue hand-stitched alligator leather strap with a solid white-gold buckle underscores the two-colour concept.

The self-winding L021.1 manufacture calibre has a maximum power reserve of 50 hours. A large central rotor with a peripheral centrifugal mass in platinum efficiently provides ample winding power. It rotates above the decorated movement and hence reveals Glashütte ribbing, perlage and other finishing techniques. Relying on a Lange balance spring, the indexless oscillation system is adjusted with six cams on the balance rim.

The hand-engraved Lange-style balance cock of the “25th Anniversary” edition stands out with a special detail: set to 25, the iconic Lange outsize date is engraved in the floral pattern filled with blue.

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