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A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”

A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”

Replica

The Lange 1 “25th Anniversary” , acquainted earlier with the SIHH 2019, was the first of a commemorative arrangement of ten watches. Two other restricted version pieces followed, with the Grand Lange 1 Moon Phase  and the Little Lange 1 . For the fourth model in the assortment, A. Lange & Söhne presents the most complicated and selective model of this watch family. Meet the 25-piece A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”.

The formula for this fourth watch is quite straightforward: take the most complex Lange 1 model, adapt it to the 25th-anniversary theme and you’ll get an extremely circumspect watch (right away) that shrouds a staggering degree of sophistication. The base for this new release is familiar and avails itself of the same extents and development as this rendition we investigated a couple of years ago. Obviously, we’re before one of Lange’s masterpieces here.

The Lange 1 Tourbillon Perpetual Calendar, even in its latest “25th Anniversary” release, may be the most complicated piece in the assortment, however it looks familiar. All the attributes of the 1994 Lange 1 are as yet present, incorporating its signature display with off-focused hours and minutes, strangely placed small seconds and the emblematic outsize date. The same can be said about the case, which retains the same plan as most watches in the Lange 1 sub-collection.

However, a more intensive look reveals certain delicacies, which betray the “Haute Horlogerie” family of this watch. While the moon phase indication inside the small seconds isn’t completely novel ( see here ), two indications reveal the presence of a perpetual calendar. The first is the month that is displayed on a plate on the outskirts of the dial, indicated by an arrow at 6 o’clock. The second is the small window at 6 o’clock, which is the indication of the leap year. Other than that, the display is all about the Lange 1 – and in fact, similar to the “ Daymatic ” form with its retrograde day of the week indication.

The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary” stands apart from the group with its rather large 41.9mm case – there’s a ton running inside, so all in all, this is as yet a rather modestly proportioned watch. The case is 18k white gold and is paired with a blue alligator strap with silver sewing. The dial is the main update, with an argenté finish over the strong silver plate and all the indications and markers are imprinted in dark blue – the signature style of the 25th-Anniversary Collection.

Turning the watch over reveals its actual beauty. While attentive dial-side, the Lange 1 Tourbillon Perpetual Calendar is a feast on the development side. Oneself twisting development (with central rotor) is regulated by a tourbillon, just obvious on this side of the watch, and running at 3Hz. The development is decorated with sublime details, as anticipated from a particularly very good quality Lange – remembering black cleaning for the upper side of the tourbillon cage and a diamond endstone bearing that holds the tourbillon.

Special to this 25th-anniversary release: the tourbillon rooster and the extension that hold the seconds wheel are decorated with explicit, blue-shaded engravings and a “25” shaped like the Lange outsize date. The number 25 alludes to the birthday as well as to a representative detail that happened during the launch, which occurred on 24 October 1994. On this day, the date displays of the introduction watches were set to the 25th so they would be current when showcased in the next day’s newspapers.

The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary” will be restricted to 25 pieces and evaluated at EUR 324,500. After this release, there will be six additional adaptations to come, until the year’s end. More details at www.alange-soehne.com .