IWC Da Vinci Ref. 3750

Presenting the IWC Da Vinci Perpetual Calendar, a timepiece steeped in historical significance and exquisite engineering. While overshadowed by the ubiquitous Rolex Submariner or Omega Speedmaster, the Da Vinci’s narrative is equally compelling.
In the late 1970s, amidst the Quartz Crisis, Kurt Klaus, a pivotal figure at IWC, pioneered the brand’s inaugural movement featuring a triple calendar and moonphase module. Despite initial doubts, the limited production run of the ref. 5500 pocket watch proved successful, heralding Klaus’s transition to wristwatches in the 1980s.
Klaus envisioned a user-friendly perpetual calendar for wristwatches, a revolutionary concept at the time. His vision came to fruition with the Da Vinci Perpetual Calendar, integrating a crown-controlled module onto the Valjoux 7750 movement. This pioneering design, comprising a mere 81 components, showcased a four-digit year display and required no manual intervention until 2100.
Crafted by Hanno Burtscher, the Da Vinci Perpetual Calendar debuted in 1985, boasting a 39mm case and distinctive swiveling lugs. Drawing inspiration from Leonardo Da Vinci’s Codex Atlanticus, its design echoed the rounded harbor fortifications. Presented at the Basel fair, it garnered over 100 orders, signaling a resurgence in mechanical watchmaking.

Fast forward to 1995, and we encounter a stunning iteration of the IWC Da Vinci Perpetual Calendar, fashioned from 18k rose gold with a striking black dial, complemented by a black strap and the original 18k rose gold folding clasp.

This exceptional timepiece from 1995, supported by IWC papers, seamlessly marries vintage allure with contemporary materials and craftsmanship. The unique blend of rose gold and black elevates its exclusivity in the market. Renowned as the pioneering perpetual calendar of its era, the IWC Da Vinci Perpetual Calendar stands as a true gem for collectors.


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Brand IWC
Diameter 39 mm
Model Da Vinci
Bracelet/strap: Leather
Reference 3750
Buckle/clasp Original gold folding clasp
Year of production (circa) 1995
Lug Width 20 mm
Material 18k Rose gold
Set Content Original papers
Crystal Acrylic
Warranty 2 year (AWCo)
Dial color Black
Movement Automatic

International Watch Company, better known as IWC Schaffhausen, was founded by American watchmaker Florentine Ariosto Jones in 1868. The company specialized in Aviation watches and is currently operating under the Richemont Group umbrella.

IWC introduced its first pilot’s watch in 1936. An inner rotating pointer could be used to keep track of take-off times and the escapement was anti-magnetic, to cope with the magnetic fields from the cockpit instruments.

In 1939, two Portuguese distributors ordered a large wristwatch with pocket watch movement and another iconic IWC line was born: the Portugieser. Today, particularly the dressy Portugieser chronographs are popular among IWC aficionados.

When Europe plummets into WWII, IWC is commissioned by both sides of the conflict to supply military watches. The two best-known examples are the Dirty Dozen field watches for the allies and the big pilot, known as Beobachtungsuhr or B-uhr, for the German Luftwaffe. The latter would form the design template for the later Big Pilot range.

Towards the end of WWII, IWC developed a new military movement, known as Cal. 89. When the war ends, the tough caliber is fitted to civilian watches. The Cal. 89 watches, many in classic Calatrava style, remain popular among collectors until today. In 1948, the Cal. 89 is fitted to the Pilot Mk XI, another popular vintage reference.

1955 Saw the introduction of another influential IWC model: the Ingenieur. IWC used its expertise in magnetic resistance to manufacture a watch for engineers and scientists, working with magnetic fields. This is two years after Rolex introduced the Milgauss for the same clientele.

In 1967, IWC branches out into water sports. The Aquatimer is introduced as a serious divewatch. The more casual Yacht Club is launched alongside for all-purpose daily wearing.

IWC remained innovative, being among the early adopters of the brand new quartz technology, for instance. But the house also recognized the value of heritage, building on its historic Pilot and Portugieser ranges. The result is a broad scope of all sorts of watches, for all sorts of people. Through it all, IWC maintained a reputation as high quality watchmakers.


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Year of production (circa)



18k Rose gold



Dial color





39 mm




Original gold folding clasp

Lug Width

20 mm

Set Content

Original papers