New: A. Lange & Söhne 1815 Rattrapante Chronograph, now in platinum (live pics and hands-on)

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Lange enriches its 1815 collection with a model extension – this time a revisit of the 1815 Rattrapante chronograph in platinum. Live photographs and hands-on commentary.

Press Release information with hands-on commentary and live photographs in italics.

New: A. Lange & Söhne 1815 Rattrapante Chronograph, now in platinum (live pics and hands-on)

Currently the A. Lange & Söhne 1815 Rattrapante Chronograph Platinum’s retail price is by application. The honey coloured gold edition, now sold out was priced at EUR 130,000. However, we understand the new platinum edition is slated to retail at a slight premium to account for the difference in case metal. The new platinum edition is a limited edition of 200 pieces, while the honeygold edition was limited to 100 pieces.

Hands-on commentary

This is a release of the 1815 Rattrapante Honeygold “Homage to F. A. Lange” but instead of honeygold, it is now offered in a platinum case with a argenté coloured dial and blued steel hands. The numerals are now transfer printed instead of honeygold appliqué, but other than this the watch is the same as the earlier, now sold out, edition. The rationale for releasing this 200 piece limited edition piece is to allow the magnificent L101.2 movement to be available to more people. We were told by Lange mangement that the watch will be first offered on a first refusal basis to those in the waitlist for the Homage honeygold version.

Hence all the magnificence and beauty of the 1815 Rattrapante is present in the current watch. There is a case to be made for this silver dialed version as is is significantly different from the black dial in the honeygold version. The overall aesthetics is much brighter, and more teutonic, while the honeygold has a certain romantic vibe.

The movement is the same L101.2 manually wound, and as one would expect, is finished to the usual superlative decorative standards one expects from a Lange. The case is a marvellous complex maze, one which is complicated, yet has a certain order that Lange chronographs are famous for ever since the Datograph.

The same superb feel of the chronograph activation – start, stops, resets are, of course retained. The activation is smooth, but with a very positive feedback once engaged. Very satisfying. The chronograph hands do exhibit a small jump during start activation, but is as minimal as it gets with mechanical, horizontally coupled column wheel chronographs.

At 41.2 mm in diameter and only 12.6 mm in height, it the thinnest and smallest split-seconds chronograph timepiece in Lange’s stable. And as a consequence, wears rather nicely. On the wrist, one feels the heft of the platinum case. We find the focussed weight on the wrist to be very satisfying to wear.

A quick note on the photography, we forgot to activate the watch and stop it in traditional split mode, and can only offer still photographs with both chronograph hands centered. Photographed in the Lange Boutique in Ion Orchard, with the Fujifilm GFX 50S II and Hasselblad HC 4/120 and HC 2.8/80 with H26 on the H Adapter G. Profoto strobes.

Release information

A. Lange & Söhne is enriching its 1815 model family with a timepiece featuring one of the most sophisticated horological complications: The chronograph rattrapante. The new model is fully focused on the eponymous complication, and it is endowed with a custom- developed movement. It not only delivers the foundation for a totally unique dial design but also stands for the drive that allows the Saxon manufactory to go its own way. The 1815 RATTRAPANTE has a platinum case and comes in a limited edition of 200 pieces.

The masterclass of short-time measurement

With the 1815 RATTRAPANTE, A. Lange & Söhne’s watchmakers yet again demonstrate their expertise in the field of short-time measurement. Its complex mechanism expands the functionality of a classic chronograph by allowing the measurement of a random number of lap times within a minute. For this purpose, the watch has two superposed chronograph hands, the centre chronograph hand and the centre rattrapante hand. Both hands start together when the pusher at 2 o’clock is actuated. The centre rattrapante hand can now be stopped independently of the centre chronograph hand and then resynchronised with it. This procedure, used for instance to measure lap times, can be repeated infinitely.

The 1815 RATTRAPANTE comes in a noble platinum case. The bright argenté-coloured dialand the dark blued hands contrast well and assure perfect legibility. The traditional styleelements of the watch include the peripheral railway-track minute scale and the prominentArabic numerals. They clearly reflect the genre that already characterised the historic Langepocket watches and the model family that is still named after Ferdinand Adolph Lange’s birth year.

The development of their own movement makes it possible for the watchmakers to freely choose the positions of the subsidiary dials. Instead of the ordinary positions at 3 and 9 o’clock, the 30-minute counter and the subsidiary seconds dial are at 12 and 6 o’clock, respectively, on the vertical centre axis. This symmetric arrangement gives the 1815 RATTRAPANTE a balanced and expressive personality. Additionally, the peripheral tachometer scale allows average speeds to be determined.

The 1815 RATTRAPANTE is powered by the manufacture movement L101.2. The entire rattrapante chronograph mechanism is configured such that it is visible through the sapphire-crystal caseback. This allows the complex switching processes to be observed in detail. The control of elapsed and lap-time measurements is handled highly precisely in the classic manner with two column wheels. When fully wound, the mainspring barrel delivers a power reserve of 58 hours. In connection with the screw balance, also manufactured in-house, the freely oscillating Lange balance spring guarantees excellent rate accuracy at a frequency of 21,600 semi-oscillations per hour (3 hertz).

It is already the seventh calibre with this complication developed and crafted by Lange. With a special finissage, the movement was already integrated in the 1815 RATTRAPANTE HONEYGOLD “Homage to F. A. Lange”. With this 100-watch limited edition featuring Lange’s exclusive honey-gold alloy, the manufactory celebrated the 175th anniversary of Saxon precision watchmaking in 2020.

The finissage of the calibre, that was manually assembled twice, reflects the tradition of Ferdinand Adolph Lange: His movements always stood out with prominent design elements as well as inimitable aesthetic details. As befits the 1A quality attribute – the highest quality category of his pocket watches – the calibre L101.2 movement features bridges and cocks made of untreated German silver, a screw balance, screwed gold chatons that secure the jewels and a hand-engraved balance cock. Paired with the latest-generation watchmaking skills, these traditional elements unite to form a micromechanical fusion of the arts.

All upper sides of the moving parts of the rattrapante chronograph, such as levers, springs and jumpers, are decorated with straight graining while the peripheral chamfers are polished. Bevel-polishing re-entrant angles is a particular challenge for the finishing specialists. Only experienced artisans will succeed in polishing the corners acutely and so they are truly sharp.

The conceptualisation and production of top-flight chronographs, especially of split-seconds chronographs, is regarded as one of the most difficult challenges in precision watchmaking. It takes considerable skill, experience and patience to assure the precision and reliability of the complex mechanism.page3image54007232

Since the relaunch of A. Lange & Söhne, several timepieces defined new standards in this field. In 2004, for the first time in the history of precision watchmaking, A. Lange & Söhne created a double rattrapante chronograph that extended the range of intermediate time measurements from 60 seconds to 30 minutes: the DOUBLE SPLIT. Presented in 2018, the TRIPLE SPLIT benchmarked the current state of the art in rattrapante function developments. With the addition of a third, separately stoppable hand pair, the chronograph and rattrapante functions can be used for measurements that last up to 12 hours. To this very day, both timepieces are unique in precision watchmaking. Now, the new 1815 RATTRAPANTE comes into the focus as a classic interpretation of the split-seconds mechanism, indeed as a singular complication. It makes its appearance in a platinum case with a diameter of 41.2 millimetres. Lange’s engineers succeeded in limiting the height of the case to 12.6 millimetres despite the technical complexity of its 365 part manually wound calibre. Given its horological intricacy, this masterpiece is limited to a global 200-piece edition.