Hands On: A. Lange & Söhne 1815 Tourbillon Black Enamel

Familiar yet magnificent.

The most recent launch from A. Lange & Söhne was surprising, even while being familiar. The 1815 Tourbillon Black Enamel is, well, an 1815 Tourbillon with a black enamel dial. Nothing about the watch is unexpected, since all the elements have been employed elsewhere.

But the watch is outstanding in quality, as is expected for a Lange, and strikingly and usually beautiful. Moreover, it is priced reasonably well, as such things go.

Initial thoughts

Cosmetic variations of an existing model are rarely great, but the new 1815 Tourbillon manages to be that.

The original 1815 Tourbillon was fundamentally a good watch – well made and  functionally designed – but a little plain. The latest variation is outstanding.

It’s just as well made, but the black enamel dial adds oomph. No risks were taken with the aesthetics; it is exactly the same in terms of design, but now in glossy black enamel.

The tourbillon also hacks and includes a zero-reset seconds

Perhaps most unexpected is the price. Many recent Lange releases often felt too expensive, this breaks the habit. At just under US$220,000, the 1815 Tourbillon is priced fairly, maybe even competitively, in its segment.

In this respect, the 1815 Tourbillon reminds me of the Tribute to Celestial, an equally surprisingly well priced watch by Lange’s sister company Vacheron Constantin.

And for the lucky, lucky few, Lange bestowed a baguette diamond bezel on a handful of these tourbillons, which raises the price by only about US$70,000, making these gem-set versions equally well priced.

The movement remains identical to the earlier version of the 1815 Tourbillon, and retains the hand engraved lower cock

Keeping it simple

When it was introduced in 2014, the original 1815 Tourbillon was an entry-level model for Lange. No compromises were made in terms of quality, but it was simpler than other Lange tourbillon models to date, making it the most affordable such watch.

The original has a simple silver dial and the L102.1 inside. Though the L102.1 was simpler than other tourbillon-equipped calibres, it was still a Lange movement, so sophistication and quality were a given.

The latest variation changes nothing but the dial, but transforms the watch. The dial is now black fired enamel and also made in house at Lange’s enamel workshop that has been slowly scaling up.

The dial is an 18k white gold disc that is first engraved by machine to create relief markings. Enamel is then applied by hand around the raised areas, followed by a firing in an oven. This is done a few times to build up the fired enamel.

Then the final step is polishing until the dial is flat and glossy. In fact, the dial is so flat the relief elements are now flush with the surface of the enamel. This enamelling technique is, of course, known as champleve.

This is only the third regular production model with a black enamel dial, after the Lange 1 Tourbillon Handwerkskunst and Minute Repeater Perpetual from earlier this year. The 1815 Tourbillon dial, however, is far simpler than the prior two, which arguably gives the black enamel finish greater impact.

At the same time, Lange’s in-house enamel workshop also seems to have honed its skills in the intervening years, and the 1815 Tourbillon dial appears a little better in quality.

A familiar watch

The rest of the watch is identical to the standard model. The platinum case is a good size, not too big and not too small, at 39.5 mm wide and 11.3 mm high.

But like most Lange watches, it feels hefty and looks a little bigger than it measures. Still, in the realm of high-end Lange models, this is one of the smaller cases.

The movement is the L102.1, a manual-wind calibre with a three-day power reserve. Compared to other Lange tourbillon movements, this might seem no-frills, but the tourbillon is no basic regulator.

It incorporates Lange’s patented hacking function – the brand was the first to devise a stop function for the tourbillon – that relies on a slim lever to touch the balance wheel, thus stopping the tourbillon.

Hacking happens instantaneously when the crown is pulled to set the time. This action also drives the zero-reset seconds where a heart cam swings the seconds hand to the 12 o’clock position.

The purpose of both hacking and zero-reset is for more precise setting of the time, a logical feature in a tourbillon movement, which makes the movement conceptually coherent.

Technical details aside, the tourbillon is beautifully implemented. A frosted and black polished bridge holds it on the front, as is convention for Lange, while the carriage adopts a form found in historical pocket watches. As a result, the carriage is a masterpiece of decoration, with finely shaped arms and lots of careful finishing.

From the back, the view is more stark, but the quality of make equally fine. The landscape is dominated by a three-quarter plate, though two extra-large jewels in gold chatons make it a little more interesting.

Another signature Lange element is the hand-engraved cock, this time in the form of the lower cock for the tourbillon.

This also contains yet another historical reference: a decorative diamond endstone for the tourbillon’s pivot, which was also found in 19th century pocket watches.


Key facts and price

A. Lange & Söhne 1815 Tourbillon with black enamel dial
Ref. 730.094F

Diameter: 39.5 mm
Height: 11.3 mm
Material: Platinum
Crystal: Sapphire
Water resistance: 30 m

Movement: L102.1
Functions: Hours, minutes, seconds, and tourbillon
Frequency: 21,600 beats per hour (3 Hz)
Winding: Hand wind
Power reserve: 72 hours

Strap: Alligator with matching folding clasp

Limited edition: 50 pieces
Availability: At A. Lange & Söhne boutiques only
Price: US$217,800

For more, visit alange-soehne.com.


 

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Seiko Looks to Sci-Fi for the Astron GPS

The ultimate quartz travel watch?

Advanced digital watches haven’t deterred leading Japanese brands from continuing to earnestly develop high-accuracy quartz watches in analog formats. Chief among them is Seiko, which has just unveiled two new limited editions of its satellite-linked Astron GPS Solar.

While the SSJ037 appears to be a simple time-only watch and the SSH185 looks like a straightforward dual-time chronograph, each watch is solar-powered and includes an electronic perpetual calendar.

Limited to 1,500 pieces for the SSJ037 and 1,200 pieces for the SSH185, the new collection is sci-fi inspired, featuring colours and textures common to fictional depictions of space stations.

Initial thoughts

There are a couple different approaches to making high-accuracy quartz watches. The first is pretty obvious, and involves developing ever-more precise quartz oscillators. Seiko has long been a champion of this school of thought, although Citizen has inched ahead in recent years.

The other approach is to make a reasonably precise quartz movement that automatically syncs with an external signal, which might be a radio signal broadcast from any of the atomic reference clocks positioned around the world, a bluetooth signal from the user’s phone, or, in the case of the Astron, a satellite signal.

Since the brand debuted this technology in 2012, Seiko has refined things making the watches sleeker and the interface more intuitive. As a result, the time-only SSJ037 is an ordinary 42 mm in diameter and 12 mm thick; not small, but still impressive considering the electronics packed within. The SSH185 chronograph is likewise a manageable 43.4 mm and just 13.4 mm thick.

Both watches are made primarily of titanium with Seiko’s proprietary super-hard coating, but the SSJ037 features and aluminium bezel and the black-coated SSH185 features a bezel and bracelet center links in high-contrast white ceramic.

Both watches are powered by light, but can store enough energy to run for up to six months in the dark. The signature capability is of course the time zone detection that automatically adjusts to the local time when the user disembarks from their journey.

This advanced functionality means the watches need to be set to airplane mode while flying, but the time does not need to be manually updated upon arrival. Naturally, both movements provide a perpetual calendar, which is handy and not that difficult in the context of an electronic watch.

At US$2,400 and US$3,100 for the SSJ037 and SSH185, respectively, the Astrons are priced well for what they are, but may present momentary sticker shock for those used to ordinary quartz watches or devices like the Apple Watch.

But unlike an Apple Watch, the solar-powered Astron never needs to be charged, and its traditional analog interface will never become obsolete. And compared to most simple mechanical watches at this price point, the Astron provides a more differentiated ownership experience and will doubtless provide years, if not decades, of faithful service.

High-contrast chronograph

While the time-only SSJ037 is my personal favourite contemporary Astron, the boldly black-and-white SSH185 chronograph is striking. At first glance the look appears somewhat dated, but it has grown on me and now makes me feel nostalgic for a time, not so long ago, when brands (and collectors) were a little more adventurous.

In terms of practicality, the scratch-resistance of the white ceramic bezel and bracelet center links, which are raised slightly, should keep the watch looking sharp almost indefinitely.


Key facts and price

Seiko Astron GPS Solar 2025 Limited Edition
Ref. SSH185

Diameter: 43.4 mm
Height: 13.4 mm
Material: Titanium
Crystal: Sapphire
Water resistance: 100 m

Movement: Cal. 5X83
Functions: Hours, minutes, seconds, day, date, chronograph, perpetual calendar, and world-time.
Winding: GPS Solar
Power reserve: 6 months

Strap: Matching titanium bracelet

Limited edition: 1,200 pieces
Availability: Available at Seiko boutiques and retailers starting October 2025.
Price: US$3,100 excluding taxes


Seiko Astron GPS Solar 2025 Limited Edition
Ref. SSJ037

Diameter: 42 mm
Height: 12 mm
Material: Titanium
Crystal: Sapphire
Water resistance: 100 m

Movement: Cal. 3X62
Functions: Hours, minutes, seconds, date, chronograph, and perpetual calendar.
Winding: GPS Solar
Power reserve: 6 months

Strap: Matching titanium bracelet

Limited edition: 1,500 pieces
Availability: Available at Seiko boutiques and retailers starting October 2025.
Price: US$2,400 excluding taxes

For more, visit seikowatches.com.


 

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