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Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965
Sold by Fowey River Antiques
sold SA1181576
Sorry, but this item has been sold.
Fowey River Antiques

Fowey River Antiques

Sellingantiques Verified Since Apr 2010
Browse dealers 43 items
  • About Us
    We are traditional watchmakers who specialise in the restoration of premium vintage watches.
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Id #SA1181576
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Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

1940 - 1960
Sold 23 January 2026 · Fowey River Antiques
This “Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965” found a buyer.

It was listed by Fowey River Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Description

Its the little details that make an IWC so special

This is an exemplary example of a gents classic wristwatch made by the world renowned premier maker International Watch Company or IWC.

This is the very rare Jumbo size model.

It has the legendary IWC in house calibre 8541 fully automatic movement with quick set date regarded as one of the finest automatics ever made and known as the "watchmakers watch" as you can see is in superb condition.

The dial is in mint condition having been fully restored.

The attention to detail is what make these IWC watches stand out from other manufacturers. The movement has Pelaton automatic winding the most efficient winding system but very expensive to make.

The minute markers are small polished silver plated circles that are individually machined into the surface of the dial, everyone else like Rolex and Omega just used printed minute markers.

The seconds hand is domed along its whole length meaning that from any angle the light reflects along its centre line, these are very difficult to make, everyone else just used standard flat topped seconds hands

As you would expect the watch is fully marked on the dial, movement and case.

The watch case is Jumbo size and measures 37mm in diameter not including the crown.

We can fit any colour or style of strap or we can fit a stainless steel mesh bracelet which is adjustable to fit any size

The watch has just been fully serviced and comes with a 12 month warranty.

If you only ever buy one vintage watch make it an IWC.

f you would like to buy or reserve this watch please telephone us on 01726 813155 or email us

foweyshop@gmail.com

We accept payment by bank transfer, cheque, debit/credit card and Paypal

We are open 9am - 9pm 7 days a week

Physical Dimensions
Height
20cm (7.87")
Width
3.7cm (1.46")
Depth
1cm (0.39")
Declaration

Fowey River Antiques has dated this Vintage Iwc Automatic Watch to the 1960s.

Reference Numbers
Sellingantiques Reference
SA1181576
Dealers Notes

We specialise in high end vintage watches which we professionally restore such as Omega, Longines, Rolex, Jaeger LeCoultre etc and also ladies platinum and diamond cocktail watches.

All Watches include free fully insured international shipping. All other items please contact us for a quotation.

Description
Its the little details that make an IWC so special
“
This is an exemplary example of a gents classic wristwatch made by the world renowned premier maker International Watch Company or IWC.
Fowey River Antiques

This is the very rare Jumbo size model.

fig 1. A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
fig 1. Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

It has the legendary IWC in house calibre 8541 fully automatic movement with quick set date regarded as one of the finest automatics ever made and known as the "watchmakers watch" as you can see is in superb condition.

fig 2. A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
fig 2. Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

The dial is in mint condition having been fully restored.

The attention to detail is what make these IWC watches stand out from other manufacturers. The movement has Pelaton automatic winding the most efficient winding system but very expensive to make.

fig 3. A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
fig 3. Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

The minute markers are small polished silver plated circles that are individually machined into the surface of the dial, everyone else like Rolex and Omega just used printed minute markers.

The seconds hand is domed along its whole length meaning that from any angle the light reflects along its centre line, these are very difficult to make, everyone else just used standard flat topped seconds hands

fig 4. A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
fig 4. Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

As you would expect the watch is fully marked on the dial, movement and case.

The watch case is Jumbo size and measures 37mm in diameter not including the crown.

We can fit any colour or style of strap or we can fit a stainless steel mesh bracelet which is adjustable to fit any size

fig 5. A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
fig 5. Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

The watch has just been fully serviced and comes with a 12 month warranty.

If you only ever buy one vintage watch make it an IWC.

f you would like to buy or reserve this watch please telephone us on 01726 813155 or email us

foweyshop@gmail.com

We accept payment by bank transfer, cheque, debit/credit card and Paypal

We are open 9am - 9pm 7 days a week

Height
20cm (7.87")
Width
3.7cm (1.46")
Depth
1cm (0.39")
Date of Manufacture

Fowey River Antiques has dated this Vintage Iwc Automatic Watch to the 1960s.

Reference Numbers
Sellingantiques Ref
SA1181576
Fowey River Antiques
Fowey River Antiques
Sellingantiques verified Since Apr 2010

We are traditional watchmakers who specialise in the restoration of premium vintage watches.

Dealer Profile

You can view the stock and full dealer information on the Fowey River Antiques Profile Page

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A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. SOLD6+ MONTHS AGO
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Archive I A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. SOLD6+ MONTHS AGO

Very Rare International Watch Company Iwc Automatic Jumbo Calendar C1965

Archive II A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View II
Archive III A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View III
Archive IV A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View IV
Archive V A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View V
Archive VI A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View VI
Archive VII A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View VII
Archive VIII A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View VIII
Archive IX A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background. View IX
Enlarged Archival View
Fowey River Antiques

Fowey River Antiques
Telephone 01726 813 155
Location
Par
Cornwall
United Kingdom
Dealer Profile Page sellingantiques.co.uk/fowey
Verified Since Apr 2010
Items For Sale 43
Items Sold 2,125
Fowey River Antiques
Fowey River Antiques
Verified Since Apr 2010
View Dealer Info
Location: Par, Cornwall, United Kingdom
Profile: sellingantiques.co.uk/fowey
Verified
Apr 2010
For Sale
43
Sold
2,125
A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
Very Rare International Watch Company IWC Automatic Jumbo Calendar c1965
Ref: SA1181576
A vintage IWC automatic wristwatch featuring a round silver dial with baton hour markers, a date aperture at the three oclock position, polished steel case, and a black leather strap against a dark background.
Detail View 1
Detail View 2
Detail View 3
Detail View 4
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Detail View 7
Detail View 8
Archival Detail

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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • Object[Wristwatches]
  • Period1940 - 1960
  • Style[Mid-Century]
  • Material[Stainless steel, Leather]
  • Colour[Silver]
  • MotifsBaton hour markers, Date aperture, Dauphin hands, Round steel case
  • SizeH 20 cm (8 in) x W 3.7 cm (1 in) x D 1 cm (0 in)

FAQs

Watches from this era typically feature minimalist dials, slender baton markers, polished steel or gold cases, and mechanical movements housed in understated proportions.

These timepieces commonly utilised stainless steel or solid gold for cases, acrylic or mineral glass crystals, and intricate mechanical movements driven by manual winding or rotor-based automatic systems.

Authenticity is verified by examining the hallmarking on the case, checking the serial and calibre numbers stamped on the internal movement, and ensuring the dial typography matches factory specifications for that specific production year.

A classic timepiece pairs effortlessly with tailored menswear or smart-casual attire, serving as a subtle focal point that complements leather accessories and understated tailoring.

Preservation requires avoiding exposure to moisture and magnetic fields, storing the piece in a climate-controlled environment, and scheduling professional servicing by a qualified horologist every three to five years.
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