Clocks, Watches & Jewellery

De Baecque & Associés will be selling this monumental astronomical clock standing 9ft 11in (3m) high on June 30.

Oscar Wilde and Lord Alfred Douglas were probably members. So too Charles Robert Ashbee.

This 18ct gold ring demonstrating French portrait photographer René Dagron’s (1819-1900) invention of microphotography quadrupled its estimate at Bonhams in Paris.

A group of design objects consigned by British textile artist and designer Ann Sutton (b.1935) was offered as part of the Lyon & Turnbull Modern Made sale.

This 1970 Heuer Autavia Chronograph was awarded to rally driver Doug Harris for finishing the 16,000-mile London to Mexico World Cup Rally in 1970.

London dealer Susan Ollemans Oriental Art specialises in Asian jewellery.

A necklace composed of nine ‘Stuart crystal’ memorial slides comes for sale at Sworders’ auction of Fine Jewellery and Watches on June 27.

In the years after the Wall Street Crash in 1929, some of the less expensive gemstones became popular in jewellery manufacture.

This 15th century ring, set with a rhomb-shaped table-cut sapphire, is engraved with lilies and other flowers issuing from a crescent bowl.

The Fine Jewellery auction at Fellows in Birmingham on June 15 includes this Arts & Crafts silver blue gem and bluster pearl foliate pendant.

Featuring in the June 22 Jewellery, Watches Silver auction at Dawsons in Maidenhead is this late Victorian diamond garland necklace.

Portable timekeepers full of collectable appeal need not be just those worn on the wrist

The professional goldsmith and jewellery designer was not the first woman in such a role but received significant prominence in the Victorian era under her own name

Collector and author bought pieces for their historical interest as well as beauty

This Rolex Cosmograph Dayton is proof that some branded wristwatches have become an exceptional investment

It’s not unusual for an antique jewel containing a particularly high-quality stone to be broken up after its purchase – the intrinsic value greater than the value of the whole.

Horology dealership Carter Marsh is bringing to market what it calls the most important English table clock it has ever handled.

The signature Fortin à Paris on the dial of this 21in (53cm) high marble and gilt bronze clock shows that it was made by a member of one of the most prominent Parisian clockmaker dynasties of the 18th century.

Fine clocks from a single-owner selection sell well into six figures in New York saleroom