18ct yellow gold Piaget ref. 9806 'oval cased' bracelet watch with lapis lazuli dial and diamond set bezel. Made 1970s

18ct yellow gold Piaget ref. 9806 'oval cased' bracelet watch with lapis lazuli dial and diamond set bezel. Made 1970sAlthough best known for their haute joaillerie timepieces, the history of the House of Piaget lies in fine watchmaking with an emphasis on ultra thin mechanical movements, the most famous being the Calibre 9P. Released in 1957, the 9P was only 2mm thick and allowed Piaget to create watches where the size of the movement was negligible and the focus could be solely on design. This was most famously the demonstrated in the 21st Century collection from

Additional information: N/A

Features/complications: Portrait of Sheikh Isa Bin Salman Al Khalifa of BAHRAIN

Launched in 1969

These watches emphasized timeless design

Dials were often made from fine enamel or lacquer

Features/complications: Scroll lugs

This piece with an original black dial is more unusual still and maintains its case proportions despite being over 70 years old

According to the last official report of the Neuchâtel Observatory in Switzerland

Features/complications: Baguette diamond set sides

The company's historic 19th-century manufacturing facilities in Waltham

Bracelet/strap: Integrated 18ct yellow gold woven bracelet

with cadmium coated yellow hands and with a flat crystal pressure fitted to the case in a gasket