18ct yellow gold OMEGA chronograph wristwatch. Made 1963

18ct yellow gold OMEGA chronograph wristwatch. Made 1963The Calibre 320, a column wheel chronograph movement developed by Lemania, stands as one of the most technically robust and mechanically refined chronographs of the 20th century. Often overshadowed by its more famous counterpart, the Calibre 321, the 320 was produced during a period when mechanical precision and build quality were paramount. Extensively utilized by Omega throughout the 1960s, it remains a benchmark for reliability and movement

Reference:  ST 145

Features/complications: Enamel bezel and Broad arrow hands

but it was a high-accuracy

and a pear chronograph hand

Calibre: 12'''

Material: Platinum and sapphires

Although best known for their haute joaillerie timepieces

Accessories: Extract from the Archives

Calibre: 1040

Smiths Group traces its roots back to S Smith & Sons

Accessories: TBA

Case Dimensions: 22 x 27mm