INTERNATIONAL WATCH & CO wristwatch, Portugieser Perpetual Calendar, 44.4 mm, 18K red gold,. alligator leather strap, with folding clasp, white dial with arabic, automatic, Cal. 52616, small second indication, sapphire-crystal, 5 atm, with perpetual calendar, Ref.:IW503701

Watches

IWC Schaffhausen

IWC Schaffhausen, founded in 1868 by American engineer Florentine Ariosto Jones, is a renowned Swiss watchmaker celebrated for exceptional craftsmanship and innovative design that unites tradition with modern technology.

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Pilot's Watch

The Pilot’s Watch Collection from the Swiss luxury watch manufacturer offers a stunningly wide and balanced range of IWC Schaffhausen watches.

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Portugieser

The Portugieser watch from IWC Schaffhausen is a timeless masterpiece. Attention to detail and a desire for perfection can be seen in every element of the watch.

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Portofino

IWC Schaffhausen Portofino took its inspiration from the Lépine pocket watch and developed a timeless, classic model which made its debut in 1984 under the name Portofino.

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Ingenieur

Since 1955, the striking design of the Ingenieur has combined rugged sportiness with an undeniably technical appeal, and continues to do so to this day.

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Aquatimer

The IWC Aquatimer is one of the most famous diver’s watches in the world and has been valued by divers for over 50 years thanks to its excellent qualities.

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Da Vinci

The Da Vinci Collection boasts timeless elegance and is designed for men and women looking for a classic timepiece.

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The Watchmaking Artistry of IWC Schaffhausen

IWC Schaffhausen stands for watchmaking that impressively combines precision and practicality. Since its founding, the brand has combined Swiss craftsmanship with technical engineering from Schaffhausen, creating timepieces that are as reliable as they are distinctive. Each watch reflects the brand's commitment to maintaining a perfect balance between function and form—clear, honest, and uncompromisingly high quality.

The History of IWC Schaffhausen

In 1868, Boston watchmaker Florentine Ariosto Jones founded the International Watch Company in Schaffhausen—far from the traditional watchmaking centers in French-speaking Switzerland. His vision was to combine advanced American manufacturing techniques with the Swiss mastery of craftsmanship. Schaffhausen offered ideal conditions: modern factory buildings, hydroelectric power from the Rhine, and a longstanding watchmaking heritage. IWC's reputation was established early with the legendary F.A. Jones caliber. In 1885, it showcased its innovative spirit with the Pallweber pocket watches featuring revolutionary digital hour and minute displays. By the end of the 19th century, IWC had introduced its first wristwatches powered by its pocket watch Caliber 64.

Milestones of IWC Schaffhausen

In the 1930s, IWC set new standards with the debut of its first Pilot's Watch models—highly functional "tool watches." The Mark IX launched a long tradition of pilot watches, which continues today. This legacy includes the Spitfire, a tribute to the engineering marvel of the iconic fighter plane’s first prototype, flown on March 5, 1936. Designed by Reginald Joseph Mitchell, the aircraft impressed the RAF with its agility and Rolls-Royce Merlin engine. IWC honors this aviation heritage in the Spitfire Automatic. 

Another milestone came in 1939 with the launch of the Portugieser, developed for the needs of Portuguese sailors. In the 1980s, IWC celebrated success with the Da Vinci featuring the perpetual calendar. Since then, the brand has continuously introduced innovative and luxurious models, becoming one of the most esteemed watchmakers worldwide.