We've minimized the paperwork and maximized protection, so you can stop worrying about your watches and focus on enjoying them. Our quotes are based on historical sales and real-time market data allowing us to give fair prices without all the hassle. We've minimized the paperwork and maximized protection, so you can stop worrying about your watches and focus on enjoying them. Our quotes are based on historical sales and real-time market data allowing us to give fair prices without all the hassle. We've minimized the paperwork and maximized protection, so you can stop worrying about your watches and focus on enjoying them. Our quotes are based on historical sales and real-time market data allowing us to give fair prices without all the hassle.

Hands-On With The A. Lange & Söhne Richard Lange Perpetual Calendar Terraluna (Live Pics & Pricing)

Well, things are definitely getting interesting at SIHH 2014.

One of the most interesting complicated watches to come out of SIHH 2014 is without a doubt the Richard Lange Perpetual Calendar Terraluna from A. Lange & Söhne. It uses a regulator-style dial layout with the addition of a perpetual calendar, a 14-day power reserve, a constant force escapement, and a graphic orbital moonphase complication right on the plate of the movement. This is an absolute beast of a watch and here we have a ton of live photos and all the gritty details for you.

The first thing you'll notice looking at the Terraluna is just how big it is. At 45.5mm in diameter and 16.5mm thick, the Terraluna is bigger than what most will want to wear on a daily basis. It sits about as well on the wrist as one can hope for at this size, but it's not sliding under any cuffs. The two advantages to the size though are the clarity of the relatively busy dial and the amount of three-dimensonality you can admire in the calibre L096.1 through the sapphire back. The Terraluna is big, but it's big with purpose.

Getting past the size, let's look at this dial. You've got a regulator display for the time, a style that originated in Glashütte in the nineteenth century for scientific clocks. The minutes track is the largest of the three registers, and off to the right you get the hours marked with classic clock-style Roman numerals and to the left you get the seconds register with that signature Lange seconds hand. Sometimes the asymmetry of regulators can be visually distracting, but here is works really well.

As if the dial side isn't impressive enough, the real stand-out features of the Terraluna are revealed when you turn the watch over. The calibre L096.1 is just incredible looking, and balances out giving you a look at the mechanics behind the complications and displaying the orbital moonphase indicator.

Explaining the moonphase without a video can be a little tough (we'll have that for you soon enough), but it's relatively intuitive once it clicks. The balance wheel represents the sun and then there are three discs which represent the earth, sky, and moon. The earth rotates once every 24 hours and you can read the time in each location on the globe on the 24-hour scale around the edge of the movement plate. Simple enough. The sky and moon discs rotate in opposite directions once each lunar month (29 days, 12 hours, 44 minutes, 3 seconds) to show the current phase of the moon through the aperture in the sky disc. You can visualize the current alignment of the earth, moon, and sun easily by looking at the relative positions of the balance, earth disc, and moon display. It will be 1,058 years before this mechanism needs adjusting by just one day. Check out this video to get a better sense of exactly what we mean here:

But there's more to look at on the movement-side of the Terraluna. Of course the movement is crafted from German silver, which gives off that slightly yellow glow, and the balance cock with swan neck regulator is hand engraved like on all A. Lange & Söhne watches. The twin barrels for the 14-day (336 hour!) power reserve are mostly hidden under the moonphase display, but just above the balance wheel you can see the special constant force escapement at work. It pumps out a consistent burst of energy every 10 seconds to compensate for the higher torque that would result from a traditional escapement when the springs are fully wound.

The Richard Lange Perpetual Calendar Terraluna is not a limited edition, but production will be relatively tight due to the inherent complexity. Both white gold and pink gold cases are available, priced at $230,400 and $229,200 respectively.

For more, visit A. Lange & Söhne online.

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