Seiko Pepsi Cronograph Automatic Men's watch 1970 Automatic-Steel Legendary SEIKO Pepsi 6139-6002 (1970s) Model: ** The Worlds First Automatıc Cronograph** ** The First Chonograph in Space** I am proud to offer one of the most iconic models of Seiko and chronograph watch history: SEIKO Pepsi Pogue (6139-6002). In 1969, A few big names produced automatic chronograph. However, when it comes to who first achieved serial production of the automatic chronograph, Seiko may have quietly beaten them by releasing to the Japanese market in May 1969. **The World’s First Automatic Chronograph** Aside from Pepsi bezel, it also called "Seiko Pogue", because astronaut William R. Pogue (Col. Pogue) wore a 6139-6002 during the NASA Skylab 4 mission in 1973 (see the last picture). **The First Chronograph in Space** (thespringbar.com) Movement: cal. 6139B Japan - 17 Jewels Instructions: Upper button starts and stops chronometer second and lower button reset it after stopping. Pushing crown sets the date and pushing harder sets both of day and date quickly. Material: All Steel Case-Size: 40.5mm (without crown), Lug-to-Lug: 46.3mm Band-Size: Fits up to approx. 20.5cm (wrist size), Lug: 19mm Service: The watch was recently controlled by an experienced watchmaker before the auction. Condition: Unnoticeable minor wear on case. Clean dial. The inner bezel doesn't rotate (chronic problem for this model) otherwise fully functional. Water-resistant NOT tested. Please look at pictures carefully. Accessories: Aftermarket (OEM) stainless-steel bracelet band in the pictures. No box and paper. It will be sent as very-well packaged via Express Courier (DHL, UPS or TNT) with the tracking code. *Delivery Times: Europe: 2-8 BD, America: 3-8 BD, Other Countries: 3-10 BD *(BD: Business Days. Delivery times are estimated and may differ (esp. in holiday seasons) because of conditions that out of our control. Customs duties are buyer's responsibility.)