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Patek Philippe Beta 21 watch with date display and textured gold strap, shown on a dark surface.
Patek Philippe Beta 21 gold wristwatch with a square face, date display, and textured gold band.
Patek Philippe Beta 21 wristwatch featuring a gold rectangular dial, date display, and textured gold band.
Side view of the Patek Philippe Beta 21, a gold wristwatch with a textured gold band, shown against a white background.
The Patek Philippe Beta 21 wristwatch features a smooth, round case and a mesh band, shown from the back.
A Patek Philippe Beta 21 gold wristwatch with a textured strap and date display rests on a brown surface.
A Patek Philippe Beta 21 gold wristwatch with date display on a textured gold band, set against a yellow and brown background.
A Patek Philippe Beta 21 gold wristwatch with a textured band, displayed on a gray surface.
Patek Philippe Beta 21 gold mesh watch bracelet with textured finish and clasp, watch face not shown, displayed on a black surface.
Image
Patek Philippe Beta 21 gold wristwatch featuring a square face, date display, and textured gold band.
Patek Philippe Beta 21 watch with date display and textured gold strap, shown on a dark surface.
Patek Philippe Beta 21 gold wristwatch with a square face, date display, and textured gold band.
Patek Philippe Beta 21 wristwatch featuring a gold rectangular dial, date display, and textured gold band.
Side view of the Patek Philippe Beta 21, a gold wristwatch with a textured gold band, shown against a white background.
The Patek Philippe Beta 21 wristwatch features a smooth, round case and a mesh band, shown from the back.
A Patek Philippe Beta 21 gold wristwatch with a textured strap and date display rests on a brown surface.
A Patek Philippe Beta 21 gold wristwatch with date display on a textured gold band, set against a yellow and brown background.
A Patek Philippe Beta 21 gold wristwatch with a textured band, displayed on a gray surface.
Patek Philippe Beta 21 gold mesh watch bracelet with textured finish and clasp, watch face not shown, displayed on a black surface.
Image
Patek Philippe Beta 21 gold wristwatch featuring a square face, date display, and textured gold band.
Patek Philippe Beta 21 watch with date display and textured gold strap, shown on a dark surface.
Patek Philippe Beta 21 gold wristwatch with a square face, date display, and textured gold band.
Patek Philippe Beta 21 wristwatch featuring a gold rectangular dial, date display, and textured gold band.
Side view of the Patek Philippe Beta 21, a gold wristwatch with a textured gold band, shown against a white background.
The Patek Philippe Beta 21 wristwatch features a smooth, round case and a mesh band, shown from the back.
A Patek Philippe Beta 21 gold wristwatch with a textured strap and date display rests on a brown surface.
A Patek Philippe Beta 21 gold wristwatch with date display on a textured gold band, set against a yellow and brown background.
A Patek Philippe Beta 21 gold wristwatch with a textured band, displayed on a gray surface.
Patek Philippe Beta 21 gold mesh watch bracelet with textured finish and clasp, watch face not shown, displayed on a black surface.
Image
Pre-Owned

Patek Philippe Beta 21

40930198/AS07461 43 mm
View Specs
Regular price $20,880
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Analog:Shift Two-Year Warranty
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Each pre-owned timepiece is back by a two-year mechanical warranty from the date of purchase by Analog:Shift. Prior to sale, every watch is serviced and maintained as needed by our team of expert watchmakers to ensure it is functioning as intended and running within acceptable gain/loss tolerances.

The warranty does not cover damage resulting from accidents, misuse, abuse, unauthorized modifications or repairs, or tampering by third parties. It is non-transferable.

Please keep in mind that these products are vintage and pre-owned, often with decades of history and wear. Exclusions apply.

Analog:Shift Two-Year Warranty

Analog:Shift Two-Year Warranty

Back by a two-year mechanical warranty from the date of purchase
Authorized Luxury Retailer
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Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.
Free Expedited Delivery
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Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)

Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services. 

Free Expedited Delivery

Free Expedited Delivery

We offer free, expedited delivery on all orders over $100.
Simple Easy Returns
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Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

Simple Easy Returns

Simple Easy Returns

Purchase with confidence with our simple, free return policy.

Details

The 1969 introduction of the Seiko Astron, the world’s first commercially available quartz wristwatch, sent tremors throughout the industry.

In a struggle to keep pace with the new technology, the big Swiss watch manufacturers banded together to develop their own quartz movement, which could be used by watches from the different brands. The resulting production movement, the Beta 21, was an electronic caliber featuring a quartz crystal beating at 8.192 Hz. Reduced to 256 Hz to drive a vibration motor, the movement featured a sweep seconds hand, rather than the more well known “ticking” seconds of conventional quartz calibers.

Despite the massive R&D budgets of the Swiss conglomerate that developed the Beta 21, just 6,000 movements were produced before the project was scrapped. Certain watchmakers, however, produced their own versions of the Beta 21 and continued production for some time.

Some of the more significant Beta 21-based models were those produced by none other than Patek Philippe, a manufacturer well known for its mechanical calibers.

The example that we have here, a Reference 3587, dates to circa the early 1970s and features a 43mm 18K yellow gold case with a signed crown, a sunburst champagne dial with applied indices, a matching handset, and a framed date window at 3:00. Powered by the Beta 21 electronic quartz movement, it comes paired to a stunning yellow gold mesh bracelet with 'Morellis' finishing and a signed crown.

Whether you’re a dedicated Patek collector or a scholar of horological history — or both! — this unabashedly '70s piece packs a huge punch.

*Due to the design of this bracelet, sizing alterations may require custom work. Lead time after measurements are established is 4-6 weeks.*

General

Condition

Pre-Owned

Brand

Patek Philippe

Reference

40930198/AS07461

Product Code

40930198

Case

Case Size

43 mm

Case Material

18Ct Yellow Gold

Bezel Material

18ct Yellow Gold

Crystal

Sapphire

Dial

Dial Color

Champagne

Bracelet

Type

Bracelet