Important Modern & Vintage Timepieces

Monaco, Jul 19, 2022

LOT 70

INTERNATIONAL WATCH COMPANY, IWC
REF. 812, SELF-WINDING, CENTRE-SECONDS, DATE, ALARM, TWO-TONE DIAL; “AQUATIMER AUTOMATIC”; STAINLESS STEEL

EUR 8,000 - 16,000

USD 8,500 - 16,900 / HKD 67,000 - 134,000 / CHF 8,100 - 16,200

Stainless steel, self-winding, round-shaped, gentleman’s wristwatch, water-resistant with screwed case-back, winding-crowns with IWC logo, two-tone grey and black colours dial with centre-seconds, half-instantaneous date of the month, and alarm.


Grading System
Grade: AAA

Excellent

Case: 2-8

Very good

Slightly scratched

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original

Brand International Watch Co., Schaffhausen / Schaffhouse

Model “Aquatimer Automatic”

Reference 812

Year circa 1965

Movement No. 1 776 535

Case No. 1 808 889

Material stainless steel

Bracelet black leather strap

Buckle stainless steel buckle

Diameter 37.4 mm. (bezel)

Caliber C.8541, 21 jewels (at least or 23 or 25)

Height 43.9 mm.

Width 37.4 mm.

Weight 60.3 gr. (approx.)

Signature dial, case and movement

Accessories copies of the invention patents

Notes

Case based on the Swiss invention patent No. 317 537, delivered on November 30, 1956 (application filed on November 22, 1954; published on January 15, 1957), to Ervin Piquerez, Bassecourt (Bernese Jura), for a “Boîte de montre étanche” (Water-resistant watch-case).

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Case based on the Swiss invention additional patent No. 337 462 (subordinate to the main patent No. 321 578), delivered on March 31, 1959 (application filed on August 13, 1956; published on May 15, 1959), to Ervin Piquerez, Bassecourt (Bernese Jura), for a “Montre munie d’un organe de commande du mécanisme intérieur” (Watch fitted with a control device for the inner mechanism).