An extremely rare vintage Omega Genève Jumbo dress watch circa 1970 made specifically for the Japanese market and released in limited numbers in Japan only

Reference number ST-166.721

Omega in-house Calibre 565 automatic movement, one of Omega's famous top-tier movements

Size: 37 / 41 mm

Made in 1970

The watch is 100% original including the original Omega branded milanese bracelet

Beautiful original silver sunburst dial in amazing condition with 2 minor marks @ 11:30 and 12:30 near the dial edge

Stainless steel case with minor blemishes and marks but in overall excellent condition

You can judge the condition of the watch by the attached photos

The photos are taken in macro mode

The mechanism works very well

Watched was serviced December 2025

All the necessary work has been done

The watch is a beautiful addition to any collection