Since their reincarnation in 1994, A. Lange & Söhne has created exquisite mechanical timepieces sought after for their classic contemporary design based on traditional horology, and being at the forefront of ingenuity. The Lange 1815 is a tribute to the firm’s founder who sought innovative means to manufacture precision measuring instruments, and as part of the brand’s original collection of four wristwatches, the Lange 1815 was first offered in 1994. Since then, various models have been produced including models with chronograph, tourbillon, annual calendar, and rattrapante perpetual calendar.

The present Lange 1815 Kalenderwoche was released in 2006 in celebration of the 150th anniversary of the retailer Andreas Huber. The caliber L045.1 was made specifically for this timepiece and features an interesting perspective displaying both the day of the week, and the week number of the year, which is seen through a central needle hand and outer 53 week track. The 38.5mm diameter case has wonderful proportions complimented by the dial with Arabic numerals and railway track, while the movement seen through the sapphire crystal back is engraved “Andreas Huber München 1856-2006”.

Offered in excellent condition, the present watch is accompanied by the guarantee dated July 17, 2008 and presentation box. Number 16 of only 50 examples made, this is a rare opportunity for all collectors.