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In Depth: Inside the Patek Philippe Sky Moon Tourbillon Refs. 5002 and 6002 SJX Watches
Patek Philippe Sky Moon Tourbillon Refs Aug 22, 2023

In Depth: Inside the Patek Philippe Sky Moon Tourbillon Refs. 5002 and 6002

Long the most complicated Patek Philippe wristwatch until it was superseded by the Grandmaster Chime ref. 6300 (and ref. 6175), the Sky Moon Tourbillon was arguably the brand’s first uber-complication. It was certainly the brand’s first double-faced wristwatch, continuing a lineage of two-sided grand complications that included the famous watches made for Henry Graves Jr. and James Ward Packard and the more recent Calibre 89. Boasting 12 complications, it debuted as the ref. 5002 in 2001 and then evolved into the ref. 6002 in 2014. The ref. 6002 has a more elaborately decorated 44 mm case, along with a revamped calendar display, but is otherwise unchanged in functional and mechanical terms from its predecessor, the ref. 5002 that was slightly smaller at 42.8 mm. The Sky Moon Tourbillon ref. 5002P, the very first variant of the model The ref. 5002 featured a relief decoration on the case band done by machine Despite their comparable sizes, the ref. 6002 is far and away the more striking watch because the fully engraved case and enamelled dial. In fact, the ref. 6002 is probably as over the top as a classically-inclined grand complication can get. Both references are powered by the R TO 27 QR SID LU CL, a multi-layered movement made up of 705 parts. In a world first, we’ll take you inside the movement and show you each of the layers. The Sky Moon Tourbillon ref. 6002R that remains in the current catalogue The ref. 6002 is engraved on almost every surface, even the minu...

Hands-On: Jaeger-LeCoultre Master Grande Tradition Tourbillon Céleste SJX Watches
Jaeger-LeCoultre Master Grande Tradition Tourbillon Jan 31, 2020

Hands-On: Jaeger-LeCoultre Master Grande Tradition Tourbillon Céleste

Jaeger-LeCoultre unveiled a trio of grand complications last year, a substantial number given how complex each watch is, although two of the three are powered by existing movements. The Master Grande Tradition Répétition Minutes Perpétuelle (the only one equipped with a new calibre) and the Gyrotourbillon 3 Meteorite were launched first, and late in the year came the Master Grande Tradition Tourbillon Céleste to mark 15 years of partnership with the Venice International Film Festival. Among the brand’s grand complications, the Tourbillon Celeste is one of the most interesting, boasting a quirky combinations of functions – an orbital, flying tourbillon calibrated for sidereal time as well as a star chart, and sidereal annual calendar. And it is also unusually high tech for a Jaeger-LeCoultre, with the movement being equipped with a silicon escape wheel and pallet fork. A simpler complication As with most of Jaeger-LeCoultre’s recent grand complications, the movement in the Tourbillon Céleste is an iteration of an earlier calibre – something the brand has made a habit of in recent years, which is a bit of a shame given its rich history in movement development. Specifically, the movement inside is a streamlined and simplified version of the more complicated Master Grande Tradition Grande Complication, which was launched in 2010 and also included a minute repeater. Being a separate module mounted on the case-back side of the movement, the repeater was s...

Introducing – Jaeger-LeCoultre Master Grande Tradition Tourbillon Jumping Date Monochrome
Jaeger-LeCoultre Master Grande Tradition Tourbillon Apr 17, 2026

Introducing – Jaeger-LeCoultre Master Grande Tradition Tourbillon Jumping Date

Jaeger-LeCoultre revisits one of its most important contemporary tourbillon movements with the new Master Grande Tradition Tourbillon Jumping Date. While the underlying Calibre 978 is familiar to collectors, the latest iteration restructures the movement’s architecture. Featuring a partially openworked dial, the tourbillon, signature jumping date mechanism, and 24-hour display come to the fore. Paying homage […]

Hands-On With The New Blancpain Grande Double Sonnerie Fratello
Blancpain Grande Double Sonnerie When Nov 24, 2025

Hands-On With The New Blancpain Grande Double Sonnerie

When you think of Blancpain, you probably see a mental image of the Fifty Fathoms, Bathyscaphe, or perhaps even a Villeret model. At least, those were the watches I had in mind when the folks at Blancpain invited us over to Le Brassus and see their latest creation a few weeks ago. This video is […] Visit Hands-On With The New Blancpain Grande Double Sonnerie to read the full article.

In-Depth: Blancpain Grande Double Sonnerie SJX Watches
Blancpain Grande Double Sonnerie Blancpain Nov 24, 2025

In-Depth: Blancpain Grande Double Sonnerie

Blancpain has just unveiled its most complex modern-day watch, the Grande Double Sonnerie, to mark its 190th anniversary. This CHF1.7 million grand complication signals Blancpain’s return to the highest tier of haute horlogerie. One of the most technically ambitious chiming wristwatches ever made, the Grande Double Sonnerie incorporates traditional complications: grande and petite sonnerie, minute repeater, flying tourbillon, and retrograde perpetual calendar, but also offers an unexpected twist with two distinct chiming melodies, a Westminster chime plus a a bespoke sequence composed for Blancpain by Eric Singer of rock band Kiss. Initial thoughts It has been some time since Blancpain unveiled a truly headline-grabbing complication. The manufacture made its name in this arena with the 1735 of 1991, but in the decades since, its output has leaned toward more conventional high-end offerings - perpetual calendars, tourbillons, carrousels, and chiming watches - while its commercial momentum has come largely from the Fifty Fathoms and Villeret triple calendar. The unexpected Grande Double Sonnerie is therefore a reminder of what Blancpain can do at the very top level of watchmaking. The Le Brassus-based manufacture tends to be overlooked when speaking of high horology today, but the Grande Double Sonnerie should remind enthusiasts how sure-footed Blancpain is in this regard. Even before considering the many complexities of the timepiece, the watch impresses from the fir...

First Look – The Impressive Jaeger-LeCoultre Master Grande Tradition Calibre 985 Monochrome
Jaeger-LeCoultre Master Grande Tradition Calibre Sep 16, 2025

First Look – The Impressive Jaeger-LeCoultre Master Grande Tradition Calibre 985

Jaeger-LeCoultre’s Master Grande Tradition collection is the repository of the brand’s most complicated timepieces, featuring multi-component calibres and incredible levels of decoration and finishing. Bringing almost 200 years of expertise to the table, the Master Grande Tradition is home to emblematic complications like the tourbillon, the minute repeater and the perpetual calendar, often combined and […]