Introducing the MB&F LM2 Twin-Regulator Wristwatch in Titanium

In a limited edition of 18 pieces with a metallic blue-green face.

Equipped with a distinctive pair of balance wheels visible on the dial, the MB&F LM2 was first introduced in 2013, conceived as a nod to past works by Ferdinand Berthoud and Philippe Dufour that also featured twin regulators. The latest iteration of the watch is the Legacy Machine 2 Titanium, a limited edition in a lightweight case with a sea green dial.

Finished with a radial brushing, the dial colour is achieved via plasma-enhanced chemical vapor deposition (PECVD), a chemical process that turns a vapour into a thin film on a surface. The same process was used to create the dark green dial on last year’s LM1 M.A.D. Dubai, a small run for the brand’s store in the Emirate.

MB&F LM2 titanium 3

The titanium case is 44mm in diameter and 19mm high – a good part of the height is due to the high, domed sapphire crystal – the same diameter as the original version of the LM2, which was available only in gold or platinum.

And the movement is identical, developed by movement specialist Chronode, with Kari Voutilainen recruited as an advisor for the impressive movement aesthetics and finishing.

MB&F LM2 titanium 1

MB&F LM2 titanium 2

Two extra-large, 11mm balance wheels sit on the front of the watch, beating at a leisurely 18,000 beats per hour. They are linked by a planetary differential that averages out the rate of each, meaning that the time shown on the sub-dial at 12 o’clock is the result of both regulators.

MB&F LM2 titanium 5

Price and availability

Limited to 18 pieces, the LM2 in titanium is priced at SFr138,000 before taxes, or S$226,000 with taxes in Singapore. It’ll be available at MB&F retailers and boutiques starting February 2017.


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Hands-On with the Jacob & Co. Astronomia Sky

An impressively three-dimensional timepiece that indicates the time and the movements of celestial bodies.

An even fancier version of the extravagant original, the Jacob & Co. Astronomia Sky is a huge wristwatch with an exotic, three-dimensional display for both the time and astronomical indications.

Though the American jeweller is best known for its bejewelled multi-time zone watches that have little technical interest, the Astronomia Sky is a mechanically intriguing timepiece, built by complications specialist Ateliers7h38 founded by Luca Soprana and Christophe Naudin. Practically everything visible on the front of the Astronomia Sky moves, at speeds ranging from one revolution a minute to one a year.

Jacob & Co. Astronomia Sky 6

The brilliant blue titanium dial at the very base of the face makes one rotation a year, being an approximate indication of sidereal time, or the time it takes the Earth to make one revolution around the Sun.

Jacob & Co. Astronomia Sky 7

Over the blue dial is a gilt-edged oval that travels over the constellations and stars, showing the portion of the sky visible from the Northern Hemisphere at that point in time. And on the edge of the blue dial is a month indicator for the perpetual calendar.

Jacob & Co. Astronomia Sky 2

The globe in the centre is lacquered titanium and functions as a day and night indicator. From the central axis four arms extend out, each carrying a different part of the mechanism; the central axis makes one revolution around the dial every 20 minutes, moving the whole mechanism along with it.

Jacob & Co. Astronomia Sky 4

The hours and minutes are on a sub-dial that’s mounted on the third arm, which also contains a differential system. That ensures the sub-dial is always aligned vertically relative to the face of the watch, even as the central axis makes it 20-minute rotation.

Jacob & Co. Astronomia Sky 3

Opposite the time display is the triple axis tourbillon that has two cages rotating at 60 seconds and five minutes respectively; the final axis is the 20-minute rotation of the central axis.

Jacob & Co. Astronomia Sky 1

Another arm carries the “orbital seconds”, which is essentially a wheel-shaped seconds hand that resembles a satellite. The other end of this arm is attached to a 1-carat orange sapphire that likewise makes one rotation every second.

Jacob & Co. Astronomia Sky 8

The size of the display means the watch is enormous, 47mm in diameter and 25mm thick, but one offering panoramic views of the movement. Because the rose gold case is more of a frame, on which large sapphire windows are mounted, the movement is visible from all sides.

On the back a pair of pull-out tabs each control winding and setting. On full wind the watch will run 60 hours.

Jacob & Co. Astronomia Sky 5

Price and availability

The Astronomia Sky is limited to 18 pieces, priced at SFr680,000.

Correction February 20, 2017: The Astronomia Sky movement is the work of Ateliers7h38, not Studio7h38, as written earlier. Studio7h38 was only responsible for the design of the original Astronomia.

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