IWC, International Watch Co., Schaffhausen, Da Vinci, Quartz Electronic, Ref. 3501. Fine, center-seconds, water-resistant, hexagonal,18K white gold quartz wristwatch with date, and 18K white gold integrated bracelet with deployant clasp. Accompanied by the original box and Guarantee. Sold in 1973 Dial, case and movement signed, in good condition NOTE: The firms IWC, Patek Philippe, Piaget, Rolex with other Swiss manufacturers became part of a new company Electronic Watch Centre (CEH) to jointly study a quartz wrist calibre. Developed and finished after one year of research, the calibre Beta 21 was ready for production in 1969 and was presented at the Basel Fair in 1970.
IWC, International Watch Co., Schaffhausen, Da Vinci, Quartz Electronic, Ref. 3501. Fine, center-seconds, water-resistant, hexagonal,18K white gold quartz wristwatch with date, and 18K white gold integrated bracelet with deployant clasp. Accompanied by the original box and Guarantee. Sold in 1973 Dial, case and movement signed, in good condition NOTE: The firms IWC, Patek Philippe, Piaget, Rolex with other Swiss manufacturers became part of a new company Electronic Watch Centre (CEH) to jointly study a quartz wrist calibre. Developed and finished after one year of research, the calibre Beta 21 was ready for production in 1969 and was presented at the Basel Fair in 1970.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
