An outstanding and unique vintage Omega Seamaster timepiece made for the Brazilian market. The case model is 166.001. The rose gold plated with steel back original case is in very good unpolished condition. The case measures 34.3mm across, excluding the crown by 38.8mm lug tip to lug tip. Original signed acrylic crystal in excellent condition. Original signed crown. The unique factory's original dial is in well-aged condition. This Seamaster was made especially for the IV Centenario Rio De Janeiro Brazilian market. If you're looking to own something unique, then this is a great example. It also has a unique rose gold-tone date disc, which you will not find on any other Seamaster of this calibre. Professionally serviced calibre 562 automatic wind movement working solid and accurately and has a movement serial number 20948362, which dates this timepiece to 1963. This watch will come with a brand new 18mm high-quality genuine leather strap. The wrist size in the photo is 6 inches.