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The A. Lange & Söhne 1815 Replica Rattrapante Perpetual Calendar Handwerkskunst

It’s that time of year again – Handwerkskunst time. As the end of the calendar inches closer and closer, Lange always gives us a mega watch that focuses on showing off the ornate handwork and often-overlooked crafts that the German manufacture is keeping alive. The elegant A. Lange & Söhne 1815 copy watches are always made in small quantities, involves a mix of complications and aesthetic flourishes, and, predictably, carries a price tag to match. This year’s introduction is no exception.

In the last few years, we’ve seen the Zeitwerk, the 1815 Tourbillon, and the Lange 1 Tourbillon all get Handwerkskunst treatments. There’s been heavy use of the special tremblage engraving technique which gives that unique grained texture to the surfaces of plates, bridges, and dial, amongst other special engraving and enameling techniques. This year’s watch continues that, but with a slightly more maximalist aesthetic.

The noble A. Lange & Söhne 1815 replica watches are one serious watch, both mechanically and artistically. When I first saw it, I let out an audible “woah.” But let’s start with the basics. The 1815 Rattrapante Perpetual Calendar Handwerkskunst is 41.9mm in diameter and 15.8mm high, with a case in solid white gold. It’s a pretty substantial watch, but I’ve got to say that after seeing it in the metal I think it’s definitely still wearable for those who don’t mind larger watches.

There’s a ton of functionality packed into this pieces, as you can probably guess from the name. Looking at the dial, you’ve got hour and minute hands, plus a sub-dial at six o’clock that shows the running seconds and the moonphase.

Then, there’s the split-seconds chronograph functions. The white and yellow gold central seconds hands (the latter is the split hand) are joined by a 30-minute totalizer at 12 o’clock that also contains the power reserve indicator. Finally, there’s a full perpetual calendar, with the day of the week and date at nine o’clock and the month and leap year cycle indicator at three o’clock.

There’s not just a lot of information on the dials of A. Lange & Söhne fake watches with gold hands though – there’s a lot of decoration too. The entire thing starts with a large plate of white gold. Then a series of stars are relief engraved around the areas where the numerals and sub-dials are positions. Iridescent blue enamel is then applied over the top, so the stars seem to be floating in a dark blue sky.

The silvered, circular grained sub-dials really pop against the blue, and the Arabic numerals are flush with the surface of the enamel. In all, the dial itself is comprised of five components, and this is the first time A. Lange & Söhne has combined engraving and enameling techniques to produce a single dial.

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Introducing The Zenith Fake Defy Lab, With A Revolutionary New Oscillator System

There are only two kinds of timekeepers, fundamentally. One relies on continuous processes that proceed at a fixed rate, such as water clocks and hourglasses (the rotation of the Earth on its axis is another example). The second relies on harmonic oscillators —– among these are pendulums, balances with balance springs, tuning fork timekeepers like the Accutron, and quartz crystals.

In the latter instance, an oscillator is kept in motion by a driving force, which is balanced by a restoring force to produce a natural frequency. You’ve probably heard bits and pieces about the new oscillator for the reliable Zenith replica watches over the last few months, and it’s a fascinating development. It’s something very new, and, at the same time, it’s based on the same immutable physical laws as any other harmonic oscillator.

The excellent Zenith fake watches into which this new technology has been placed is called the Zenith Defy Lab and Zenith describes it with pardonable hyperbole —– “the only mechanical watch embodying both an evolution and an improvement of the sprung balance principle presented in January 1675.”

That’s the approximate date on which the Dutch mathematician, physicist, and horologist Christiaan Huygens published his findings on the use of a spiral spring and balance wheel combination, in the Journal des Sçavans (the earliest known academic journal in Europe, which began publication in 1665).

The invention of the balance spring was not Huygens’s alone —– the Englishman Robert Hooke came up with the idea at about the same time —– but Huygens today is generally credited with having been the first to create a working mechanism.

The watch with balance spring wasn’t the first precision mechanical timepiece; that honor goes to the pendulum clock, which Huygens also is credited with inventing (the first pendulum clock to his design was completed in 1657). However, it was the balance and spring combination that made Zenith copy watches with mechanical movements more precise.

A harmonic oscillator is one in which, when the oscillator is pushed from its neutral position (hanging straight down, in the case of a pendulum) it’s returned to its neutral position by some restoring force which —– and this is the critical part —– is always proportional to the disturbing force. Put simply, the harder you push a harmonic oscillator the harder it swings back; anyone who’s ever pushed someone on a swing knows the feeling. It’s the proportionality of the restoring force to the perturbing force that gives a harmonic oscillator its “natural frequency.”

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IWC Ingenieur Replica Chronograph Special Edition Swiss Watches Hands-On

The first IWC Ingenieur went on sale some time during the mid-fifties and was designed to be a watch for scientists and technicians. However, the Ingenieur has undergone significant changes in recent years, not just in its design, but also in its purpose. The Ingenieur today is more of sports watch that is targeted at petrolheads and racing enthusiasts, but this trio adopts the more classic case design of pre-Genta models.

To further cement the Ingenieur’s positioning as the petrolhead’s watch of choice, IWC released three new IWC Ingenieur fake watches last year to commemorate the 74th anniversary of the annual Goodwood Member’s Meeting, a weekend-long vintage racing event.

When these three watches were unveiled last year, they also heralded a new look for IWC’s Ingenieur. Gone are the integrated lugs, crown protectors, and angular lines inspired by the earlier Ingenieur watches designed by the legendary Gerald Genta. Instead, the new Ingenieur Chronograph features a more classically-styled and restrained case design that has more in common with the very first Ingenieur watches from the ’50s.

In the past, the Ingenieur was notable for its self-winding movement, which featured the Pellaton winding system as well as its soft iron cage, which could withstand magnetic fields of up to 80,000 A/m. Said to be designed especially for scientists, researchers, and technicians who had to work in highly magnetic environments, it was to IWC what the Milgauss was to Rolex.

Back to these watches. Case diameter is a relatively modest 42mm, which isn’t too large as far as modern watches go. Most sport chronographs tend to be around 44mm and above these days, so the slightly smaller size of IWC Ingenieur copy watches with mechanical movements is bound to delight readers who love more moderately sized watches.

Unfortunately, at slightly over 15mm, the case is still quite thick, a malady that afflicts many modern sport chronographs. On the bright side, this, along with the chunky crown and chronograph pushers, ensures that these special edition Ingenieur Chronograph watches have considerable wrist presence.

On the inside, these decent IWC Ingenieur replica watches will be powered by IWC’s in-house Caliber 69370. This movement was specifically developed to replace the Valjoux 7750 used in entry-level IWC chronograph watches. As a result, the Caliber 69370 shares the same dimensions as the Valjoux 7750, but with two notable improvements. It features a column wheel instead of a basic cam, and has a more efficient winding system.

Power reserve is 46 hours and the dial configuration is similar to the Valjoux 7750, with sub-dials at 12, 9, and 6 o’clock as well. The key difference, however, is that the running seconds of the Caliber 69370 is at 6 o’clock rather than 9 o’clock. The movement is nicely finished and can be admired through a sapphire display case back.