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Grönefeld One Hertz: A Collector’s Journey - Reprise | Quill & Pad

Grönefeld One Hertz: A Collector’s Journey – Reprise | Quill & Pad

As ordinary perusers know at this point, my commitments to Quill & Pad range among ” Behind the Lens ” photograph highlights of exceptional watches; ” You Are There ” covering authority related occasions; and ” Why I Bought It ” articles that depict my speculation behind acquisition of individual watches.

One Hertz by Tim and Bart Grönefeld

For this exceptional article, I have the delight of covering the superb Grönefeld One Hertz from each of the three perspectives!

You are there: gathering the One Hertz

For a watch enthusiast, and particularly for admirers of free watch marks, it’s a blessing from heaven to meet the producers of the watches that we respect. With the Grönefeld siblings, it’s that joy times two.

Our story starts with meeting Bart Grönefeld at Düsseldorf air terminal in readiness to ride back to the Dutch town of Oldenzaal.

The Bart Grönefeld welcoming committee at Düsseldorf

After a charming drive, we got together with Bart’s sibling, Tim, and strolled to lunch, a delicious dinner of neighborhood forte Kroketten (a potato dish) washed down with the principal cold lager of the day.

Oldenzaal town square with clock tower

The clock tower you see above filled in as the scene for a part of the evening as we moved to the top to take in the view and to look at the component of the pinnacle clock, which right up ’til today is kept up by their dad, Sjef.

Bart and Tim Grönefeld with the ringers and bells, Oldenzaal clock tower

After lunch, it had returned to the workshop for a visit, joined by Dutch watch buddy and driving A. Lange & Söhne authority Edwin H. As relatives of a watchmaking family, Tim and Bart have a lot of awesome watch-related things close by, including things like the Watchmaker’s Songbook shown below.

Anna one, anna two: Watchmaker’s Songbook

Edwin was adequately benevolent to catch a fix of us as Bart endeavored to infiltrate my stream slacked skull with a portion of the specialized highlights of the One Hertz.

In the workshop with Tim and Bart Grönefeld (photograph politeness Edwin H)

It’s consistently a rush to see parts in different phases of wrapping up. I especially love seeing close completed developments outside of their cases, as there is something in particular about being “not too far off” that even the most clear sapphire case back can’t reveal.

Stainless steel One Hertz connect during finishing

Limited release One Hertz development with gold-shaded plates

If you take a gander at the photograph above, you may see that this specific development looks somewhat strange. It is one of a restricted set created by the siblings with gold-completed plates that balance pleasantly with the spotless scaffolds above.

Finally, the critical point in time, as the glad dads notice my pleasure at seeing my One Hertz for the first time.

GaryG sees his One Hertz interestingly (photograph Edwin H)

The fun didn’t stop there: we proceeded through supper and afterward a late-night jug of wine with the siblings and Tim’s better half, Maaike. All things considered when the time had come to slither up at my inn the following morning I realized I had made some amazing memories with magnificent hosts.

Why I purchased it

Using my buddy Terry’s scientific classification, this was quite unmistakably a “support” buy for me: an extraordinary watch that, maybe more critically, was made by two incredible guys.

One extraordinary added advantage was that they consented to make this piece for me with the blue dial, typically saved for platinum pieces, yet for this situation coordinated with the lightweight titanium case.

Grönefeld One Hertz in titanium with blue dial

What I love about it

The awful news is that I don’t have space here to list every one of the 35 (without a doubt) engaging highlights I have on my transcribed rundown of “loves” about this watch, yet we should take out a couple of the biggies.

  • Let’s beginning with the self-evident: there’s that enormous second hand snapping across the dial with power. I’m a major devotee of discrete development in watches (retrograde hands, bouncing hours, momentarily changing chronograph minutes and schedule dates, and so on), and this hopping second showcase is both the included component of the watch in general and an extraordinary illustration of cutting the tireless development of time into noticeable chunks.
  • I’m likewise a sucker for dimensionality in watches (like the Lange Double Split and practically anything by Greubel Forsey). You don’t need to flip the One Hertz over to get a three-dimensional show.

Deep dimensionality: multi-layer dial side of the Grönefeld One Hertz

  • The specialized plan of the free dead seconds complication is both novel and extremely smart. The One Hertz development depends on two synchronized spring barrels taking care of two isolated (however connected) developments – one for the hours and minutes and the other for the seconds.

This wasn’t not difficult to pull off in fact, and eventually a combination of highlights including connecting the two spring barrels, hacking the development during setting, using a section wheel-based framework to flip among “set” and “run” modes, and using diverse force levels for the two force trains was expected to make the watch work.

One of the extraordinary things about chatting with Bart and Tim was hearing the anecdotes about how they either viewed as a portion of these refined plan components ahead of time or created them over the long run as they issue settled issues they encountered.

Movement side of the Grönefeld One Hertz

  • The communication between the two force trains is colossally cunning too: a wheel with a smooth up-down wave is mounted on the fourth wheel pinion, delicately shaking one side of a jeweled switch to and fro in a ceaseless movement. The opposite side of the switch connects with a departure wheel measured to tick off time in one-second augmentations, synchronized with the ticking of sixths from the principle balance. These key interfacing parts are appeared in the photograph below.

Key parts: interfacing the force trains of the Grönefeld One Hertz

Interestingly, the sole capacity of the switch is to control the arrival of force coming from the furthest side of the seconds escapement – no force is communicated through the instrument and, subsequently the activity of the bounce seconds, neither demands mileage on the wavy wheel nor upsets the adequacy of (or channels power from) the fundamental movement.

Dial detail of the Grönefeld One Hertz

  • It looks great! What’s more, probably the prettiest contacts serve twofold obligation: the screw-mounted nameplates shroud another arrangement of screws that anchor the dial gathering safely to the development. Tim and Bart really drew their ideal dial design first, and afterward sorted out some way to make the development coordinate it.

Overall, this watch meets my main rule: lucidness. Nothing appears to be glued on or unnecessary; the plan highlights complement one another; and structure and capacity serve each other with excellence.

Coherent plan: the Grönefeld One Hertz

Behind the focal point: shooting the One Hertz

Happily, this watch is an enjoyment to shoot from a photographic artist’s point of view. The manly allure of the piece is not difficult to catch, and because of the profundity and intensity of the dial-side highlights it’s conceivable to catch an assortment of looks by utilizing a combination of various watch positions and lighting.

In rest: surfaces and shades of the Grönefeld One Hertz

The shifting surfaces of the dial – remembering bended brushing for the foundation, furrowed subdials, and an iced look behind the force save and crown position pointer – and the reasonable utilization of dark accents and an unmistakable area on the seconds section ring all make visual intrigue and furnish freedoms to play with light.

The blue tone likewise shows up very unique under various lighting conditions, which is fun both in the light tent and when wearing the watch in or out of doors.

Straight on: the Grönefeld One Hertz in direct light

The just precarious part is that the notched subdials can cause a touch of moire (that “strobing” impact one now and then sees with designed textures on TV), particularly when full-sized pictures are scaled back for web seeing. Yet, when the pictures are exploded back, the deliberate appearance of the sections returns.

I’ll leave you two or three splitting shots. Everything I can say is that in the event that you at any point have the chance to remember my means, I can firmly recommend the journey!

The horological siblings: Tim and Bart Grönefeld

Above Oldenzaal: the Grönefeld One Hertz with the Grönefelds’ workshop in the background

Quick Facts Grönefeld One Hertz Classic

Case: 43 x 12.5 mm, red gold, platinum, or titanium

Dial: made with earthy colored, ruthenium, white, and blue dials

Development: hand-wound Caliber G-02 with free dead seconds, all scaffolds in tempered steel

Capacities: hours, minutes, and seconds; power save; sign of crown position (set versus wind)

Cost (2015 retail): €60,000 (titanium); €73,500 (red gold)

* This article was first distributed on October 26, 2015 at Grönefeld One Hertz – A Collector’s Journey .

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