Movement: 6139A, Seiko Suwa factory, Auto-winding, 21 jewels, 21600bph. Day/Date: Works automatically, also manually (crown pushed), Japanese kanji + English. Condition: Used, it runs well, keeps good time (+- 1 minute a day). For practical, everyday use, it would be advisable to have the movement cleaned and oiled. It is described on page 12, 60-61 of the book Japan Domestic Watch Vol.
5 - SEIKO Automatic watch II. The item "Vintage 1970 SEIKO Automatic watch 5 Sports Speed Timer 21J 6139-6011" is in sale since Wednesday, December 4, 2019. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches". The seller is "saitama_jp" and is located in Saitama. This item can be shipped worldwide.