Introduction
Founded by the Netherlands-based brothers Bart and Tim Gronefeld, their eponymous brand carries a legacy of watchmaking that dates back to 1912, bringing a wealth of expertise to each meticulously crafted timepiece. Combining contemporary aesthetics with classical mechanics, Gronefeld’s design language culminates in watches that are not merely timekeepers but wearable pieces of art. The Gronefeld One Hertz Fire is a horological masterpiece that exemplifies the Gronefeld's dedication to precision and innovative design. Created by the esteemed Gronefeld brothers, known for their distinctive approach to high-end watchmaking, this model features a striking contrast of hot orange accents against a sleek, industrial grey dial that plays as the background to the well-finished chapter-rings that mark each of its subdials. Encapsulated within a durable titanium case boasting angular lugs and a thin bezel, the One Hertz aims to highlight its most unique function, its dead-beat seconds hand. A rarity in mechanical timepieces, the dead-beat seconds hand beats once per second, much like a quartz watch, while being powered by a mechanical movement that has had to be slowed down in order to beat as slowly as it does – a technical nightmare. Launched as a collection of 30 pieces, the Gronefeld One Hertz Fire showcase's the brothers’ technical ingenuity and passion for pushing the boundaries of traditional watchmaking by creating exclusive, handcrafted watches that offer a unique story and an exceptional experience for the wearer.
Loupe This Scorecard
Grade
M 9
Status
Vetted & Approved
Included
Box and Papers
Est. value range
$40,000 – $60,000
The Details
Brand
Gronefeld
Dimensions
43mm
Model
One Hertz Fire
Movement
Manual-wind cal. G-02
Reference
Fire
Bracelet
Leather strap
Year
2013
Condition
Near-Mint
Material
Titanium
Included
Watch, box, papers, hangtags and additional leather strap
Dial Color
Grey and orange
THE DIAL
Combining fiery orange accents with as unique a complication as a dead-beat seconds subdial, the One Hertz Fire combines a contemporary design language with a technical achievement in a fun and interesting way.
THE MOVEMENT
Showcasing an exceptional level of hand-finished details such as its sandblasting, bevelled edges, counter-sunk rubies sitting in golden surrounds and labyrinthine architecture, the One Hertz's movement, the cal. G-02 is a testament to Gronefeld's exceptional craftsmanship.
TIMING MACHINE READOUT
This reading was taken (crown down) with a ONEOF Accuracy Boutique Edition timing machine at time of cataloging. It is provided as a courtesy only, and shall not be construed as a warranty or guarantee of any kind. Please refer to our terms and conditions of sale for more information.
Condition
Watch is in near-mint condition. Watch shows some minor signs of wear along surfaces.
Please Note: Due to CITES considerations, if the watch is to be shipped outside of the USA, the exotic skin strap will have to be removed.
Our Perspective
Technically sublime and expertly executed, the One Hertz Fire showcases some of the best craftsmanship that Gronefeld has to offer throughout every facet of its design and mechanics.
Sam Hines
Managing Director
