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    The Breguet Marine Chronographe reference 5527TI/GA/5WV.
    Novelties

    Breguet Marine 5517 and 5527: Six New Variants with Historic Roots

    The dial of the Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin reference 4300V/220G-H119.
    Novelties

    Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin: An Anniversary Model in Azure Blue

    Novelties

    Hublot MP-14 Origin by Jeff Koons: Art Surrounding Hublot’s First Central Tourbillon

    The Panerai Luminor Firenze 8 Giorni PAM01734 and PAM01794.
    Novelties

    Panerai Celebrates 100 Years of Its Florence Boutique ‘Orologeria Svizzera’ With Two New Luminor Firenze 8 Giorni Anniversary Models

    Tonda PF Sport Chronograph Ultra-Cermet by Parmigiani Fleurier
    Novelties

    Parmigiani Fleurier Tonda PF Sport Chronograph Ultra-Cermet in Mineral Blue

    Hublot Big Bang Sapphire Sky Blue, side view
    Novelties

    Hublot Big Bang Sapphire Sky Blue And The Art of Transparency

    Die siebte Ausgabe der Patek Philippe Grand Exhibition „Watch Art“ Mailand 2026.
    Industry News

    Patek Philippe Grand Exhibition 2026: 500 Timepieces, Rare Handcrafts and Museum Highlights

    Logo House of Brands (three stripes): Universal Genève (blue), Breitling (yellow), Gallet (green)
    Industry News

    Breitling, Universal Genève, Gallet: House of Brands Unveils New Leadership Team

    Orange passageway at Inhorgenta 2026
    Industry News

    Inhorgenta 2026: Trends, Watch Talks & Award-Winners

    Three people in the COSC laboratory
    Industry News

    COSC Introduces New „Excellence Chronometer“ Seal

    View of the entrance to the Munich Trade Fair Center during Inhorgenta
    Industry News

    Inhorgenta 2026: Innovations, Trends And The Swisswatches Talk About The New Collecting Trend Among Watch Enthusiasts

    cosmograph Daytona turquoise lacquer dial (reference 126518LN)
    Industry News

    2026: Rolex Prices Rise And Others Follow Suit

  • Stories
    • Editorial
    • CuratedBy
    • Collectors’ Talk
    • Collector’s Choice
    Another photograph by Bulgari’s Creative Director, Fabrizio Buonamassa Stigliani, is on display.
    Editorial

    Interview With Fabrizio Buonamassa Stigliani: On Bulgari Icons, Beauty Through Technology And the Art of the Perfect Idea

    Ein Tonstab der Piaget Polo Minute Repeater wird in das Kaliber eingesetzt.
    Editorial

    Top 11 Minute Repeater Watches 2026

    Breguet-Classique-Ref-7637-Minutenrepetition-01
    Editorial

    The Sound of Time – History of Minute Repeater Watches

    A Nomos Orion Gold neomatik new black can be seen on the wrist.
    Editorial

    Nomos Orion Gold Neomatik New Black: Nomos Doubles Down on Gold

    Watches in Space: the Omega Speedmaster Professional Ref 105-012, worn by Buzz Aldrin on the Moon.
    Editorial

    The Most Important Mechanical Watches in Space

    A Hublot Classic Fusion Balloon Dog by Jeff Koons can be seen in the cover image.
    Editorial

    Hublot Classic Fusion Balloon Dog by Jeff Koons – Puffed up, Down to The Smallest Detail

    The Hublot Big Bang 20th Anniversary Red Magic, reference 431.CF.1313.RX.
    CuratedBy

    20 Years of Big Bang: How Hublot is Revolutionising The World of Watches

    The Team of the Wempe Kontorhouse Stubbenhuk
    CuratedBy

    Wempe Opens One of Europe’s Largest and Most Modern Watch Servicing Workshops in Hamburg

    grand-seiko-watch-studio-shizukuishi-outsideview
    CuratedBy

    Grand Seiko: The Japanese Giant

    wempe-observatory-glashuette-and-training-centre-2
    CuratedBy

    Aspiring Watchmakers: Wempe’s Top-Performing Training Centre in Glashütte

    royal-oak-offshore-chronograph-automatik-26238ti.oo.2000ti.01-am-on-the-wrist
    CuratedBy

    How Audemars Piguet’s Royal Oak Offshore Combined Luxury With Culture For The First Time

    glashuette-original-seaq-chronograph-silver-screen-lying
    CuratedBy

    Diver’s Watches Made In Germany:  An Overview Of The Glashütte Original SeaQ-Series

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    The Audemars Piguet x Swatch Royal Pop: Genius Collab or Collector’s Flop?

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    Watches & Wonders 2025: What Impressions Can We Take Back From Geneva?

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    Meet the New Cubitus: Innovation and Excitement Unleashed

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    Forget About Money: This One’s for the Dreamers

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    Blancpain x Swatch: The Quest for the Cool Factor

    swisswatches-collectors-talk-en-cover
    Collectors' Talk

    The Bucherer Deal: Where to Purchase a Rolex in the Future

    Die Jaeger-LeCoultre Reverso Sammlung von Xiaomo Xiong.
    Collector's Choice

    Collector’s Choice: Xiaomo Xiong and His Extraordinary Jaeger-LeCoultre Reverso Collection

    jumphourking-ruud-van-rijn-in-atelier-2
    Collector's Choice

    Collector’s Choice: @jumphourking Ruud van Rijn Talks Jump Hour Watches

    Collector's Choice

    Collector’s Choice: A Day In The Life of Kristian Haagen

    Collector's Choice

    George Glasgow Jr: Gentlemen’s Style

    Collector's Choice

    The Watch Alchemist: @mochi_watches

    DeBethune DB27 Titan Hawk V2
    Collector's Choice

    With A Penchant For Independence: @thehoracle

  • Guides
    • Collector’s Guide
    • Buyer’s Guide
    • Boutique Travel Guide
    Collector's Guide: Patek Philippe Annual Calendar
    Collector's Guide

    30 Years Patek Philippe Annual Calendar: The Ultimate Collector’s Guide

    The Audemars Piguet Code 11.59 Starwheel Ref. 15212NR.OO.A002KB.01 from the front.
    Collector's Guide

    Code 11.59 by Audemars Piguet: From Controversial New Collection to Vessel for Innovation

    rolex-gmt-master-ii-ref-126710blro-pepsi-5
    Collector's Guide

    Everything You Need to Know About the Rolex GMT-Master

    hublot-masterpiece-kollektion-mp-05-la-ferrari-saphirgehaeuse-tourbillon-3
    Collector's Guide

    The Hublot Masterpiece Collection: Where Innovation Meets Extravagance

    a-lange-and-soehne-30-years-manufacturing-watch-movements-development
    Collector's Guide

    A Symphony of 72 Masterpieces: 30 Years of Calibre Development at A. Lange & Söhne

    Zenith-El-Primero-Chronograph-Ref-G581-From-1969
    Collector's Guide

    The Ultimate Guide to Zenith’s El Primero

    The Tudor Black Bay Pro with a white dial is shown on the wrist.
    Buyer’s Guide

    The Best Entry-level Mechanical Watches Under €5,000

    mbandf-sequential-evo-chronograph
    Buyer’s Guide

    The Best Chronograph Watches With In-House Movements: Top Picks For Every Budget

    tudor-black-bay-58-gmt-ref-m7939g1a0nru-0001-dial-2
    Buyer’s Guide

    The Best GMT Watches for Every Budget: A Guide for Beginners and Collectors

    Buyer’s Guide

    Buyer’s Guide For Watches Between 1,000 – 3,000 Euros

    Buyer’s Guide

    Buyer’s Guide For Watches Up To 1,000 Euros

    Buyer’s Guide

    Buyer’s Guide For Preowned And Vintage Watches Part 2: Shipping, Paying, Insuring

    The exterior of the Van Cleef & Arpels boutique on Kohlmarkt in Vienna.
    Boutique Travel Guide

    Van Cleef & Arpels Boutique Vienna

    Facade of the boutique Le Lounge in Geneva by Roger Dubuis
    Boutique Travel Guide

    Roger Dubuis Boutique in Geneva

    The Van Cleef & Arpels boutique in Frankfurt am Main from the outside.
    Boutique Travel Guide

    Van Cleef & Arpels Boutique Frankfurt

    Exterior view of the Patek Philippe boutique in Frankfurt, operated by Wempe
    Boutique Travel Guide

    Patek Philippe Boutique Frankfurt

    The Panerai Boutique in Stuttgart
    Boutique Travel Guide

    Panerai Boutique Stuttgart

    grand-seiko-boutique-paris-place-vendome
    Boutique Travel Guide

    Grand Seiko Boutique Paris Place Vendôme

  • Manufacture
  • CEO Talks
  • Style
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Highly Viewed
Home » Jens Koch

Jens Koch

Contributing Editor
31 Articles
The Richard Mille RM 43-01 Tourbillon Split-Seconds Chronograph Ferrari.
Editorial

25 Years of Richard Mille Innovation – Groundbreaking Movements and Case Materials

Thanks to its innovative movements and case materials, Richard Mille has, within the space of 25 years, succeeded in being mentioned in the same breath as Audemars Piguet and Patek Philippe.

  • 10 Sep 2026
  • 13 min
  • 0
A Panerai 31 Giorni is shown from the front.
Editorial

The New Panerai Luminor 31 Giorni: One Month’s Power Reserve

Panerai Luminor 31 Giorni: How is a 31-day power reserve achieved? We explain the technology and compare it with long-runners from Lange, Hublot and Vacheron.

  • 28 Jul 2026
  • 9 min
  • 0
Vintage rally watches from Chopard, Richard Mille and Tudor.
Editorial

Mille Miglia & Co. – The Best Classic Rally Watches

The best classic car rally watches, from mechanical chronographs for the Mille Miglia to toolwatches built for the Dakar Classic.

  • 09 Jun 2026
  • 9 min
  • 0
The 24 Hours Race at the Nürburgring 2026 with Wempe.
Editorial

Wempe And The 24-Hour Race at The Nürburgring

Wempe 24h Nürburgring: Wempe becomes official timing partner and presents two limited Glashütte chronographs for the 24-hour race.

  • 27 May 2026
  • 7 min
  • 0
Vacheron Constantins neues Ultra-Thin Modell in der Frontansicht
Editorial

Watches & Wonders 2026: Vacheron Constantin Overseas Automatic Extra-Thin With a New Movement

Vacheron Constantin presents the Overseas Extra-Thin in platinum, featuring its new Calibre 2550 and an 80-hour power reserve.

  • 14 Apr 2026
  • 5 min
  • 0
The Parmigiani Tonda PF chronographe mysterieux on wrist
Editorial

Watches & Wonders 2026: Parmigiani Tonda PF Chronographe Mystérieux

In 2026, Parmigiani Fleurier will unveil the Tonda PF Chronographe Mystérieux, the world’s first invisible chronograph.

  • 14 Apr 2026
  • 3 min
  • 0
A front view of the A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar ‘Lumen’ in the dark.
Editorial

Watches & Wonders 2026: A. Lange & Söhne Sheds Light on The Darkness With The Lange 1 Tourbillon Perpetual Calendar “Lumen”

A. Lange & Söhne presents the Lange 1 Tourbillon Perpetual Calendar Lumen, featuring a tourbillon, perpetual calendar and luminescent dial.

  • 14 Apr 2026
  • 6 min
  • 0
The TAG Heuer Monaco Evergraph 40mm Ref. CEW5181.FT8123 on the wrist.
Editorial

Watches & Wonders 2026: TAG Heuer Monaco Evergraph – A Chronograph Revolution

TAG Heuer Monaco Evergraph with new chronograph mechanism, carbon hairspring, 5 Hz, 70h power reserve and strong magnetic resistance.

  • 14 Apr 2026
  • 12 min
  • 0
The detailed view on the dial of the Girard-Perregaux Neo Constant Escapement
Editorial

Girard-Perregaux Neo Constant Escapement: Precision Reimagined

Girard-Perregaux Neo Constant Escapement: How the innovative silicon escapement enables constant force, high precision and new models.

  • 23 Mar 2026
  • 7 min
  • 0
The frontal view of the Girard-Perregaux Minute Repeater Flying Bridges Ref. 99840-52-2013-5CC.
Editorial

Striking Sound: Girard-Perregaux Minute Repeater Flying Bridges – The Brand’s First Self-Winding Chiming Watch

The new Girard-Perregaux Minute Repeater Flying Bridges combines a minute repeater and tourbillon, and is the brand's first self-winding chiming watch.

  • 12 Mar 2026
  • 5 min
  • 0
Only when the appearance, rate, and function are perfect is the watch delivered back to the customer.
Style

The Servicing of a Patek Philippe Aquanaut Chronograph Ref. 5968A

Service der Patek Philippe Aquanaut Chronograph 5968A: Warum Wartung wichtig ist, welche Schritte erfolgen und wie lange die Revision dauert.

  • 08 Jan 2026
  • min
  • 0
The Porsche Design Chronograph 1 marking 90 years of Ferdinand Alexander Porsche together with a Porsche 911.
Editorial

Porsche Design Celebrates 90 Years of F. A. Porsche With a Limited Edition Chronograph 1

In memory of designer F. A. Porsche, Porsche Design has released a special edition of the Chronograph 1, limited to 90 pieces, and a 911 GT3.

  • 15 Dec 2025
  • 3 min
  • 0
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