Finish:

Beta 21

Case material:

18K Yellow Gold

Strap material:

Bracelet

Description:

The Beta 21 movement was the fruit of a collaborative effort, named the Centre Electronique Horloger, which got underway in 1962 and was sponsored by over 20 leading Swiss watch brands. The prototype movement debuted in 1967. In 1968, a consortium of Swiss manufacturers pooled their resources and manufacturing capabilities to mass produce the calibers. The first watches containing the Beta 21 movement arrived on the market in 1970. The Beta 21 is an electronic caliber. The movement features a quartz crystal and interestingly, while the natural oscillation rate of the quartz crystal is 8192 Hz, Patek reduced the oscillation rate to 256 Hz by means of a proprietary frequency reducer. The seconds hand sweeps (versus the usual ticking of quartz regulated movements), and the caliber has 13 jewels. A date is provided at the 6 o’clock position. This reference 3587 1 Patek has a cushion shaped 18k case which measures 42mm long and wide by 11.8mm thick. Bezel is stepped. The crystal is ...

Condition:

Mint+

Currency:

USD

Payment:

• by (SWIFT / IBAN) bank transfer

Shipment to:

Worldwide

Company:

Robert Maron, Inc.

Address:

Robert Maron, Inc.
2060 Avenida de los Arboles #309
91362 Thousand Oaks, CA
 United States

Member since:

May 21, 2010

Tel:

+1-818-707-7007

Fax:

+1-818-707-7676

Internet:

http://www.robertmaron.com

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