18ct yellow gold OMEGA chronograph wristwatch. Made 1963

Information

• Brand: OMEGA 
• Year: 1963
• Model: Chronograph
• Reference: 101.009-63
• Calibre: 320
• Movement: Manual
• Material: 18ct yellow gold
• Features/complications: Chronograph
• Dial: Dial with outer minute track and Tachymetre scale featuring subsidiary dials for the constant seconds , 12 hour and 30 minute registers featuring applied yellow gold hour markers and hands. 
• Case dimensions: 34mm
• Bracelet/strap: Leather strap
• Accessories: -
• SKU: 03400

Essay

The 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 architecture, featuring a compact layout and durable chronograph mechanism that exemplify high horological standards of its era.