Pogue is the first automatic chronograph that been in space. That is where its nickname comes from. William Pogue wore this model of Seiko in space mission in 1973 for 84 days and this yellow dial photographed several times in his wrist. A very good condition Seiko 6139-6000 is on auction with some aftermarket parts. Good for daily use or collection ● Movement Condition - Cal 6139 movement is clean condition. Working nicely and keeps time. Chrono starts, stops and resets as it should. Recently serviced by a professional. English-Japan date ●Dial Condition - Dial is in good condition, no visible faults. Speedtimer dial. Dial and hands are aftermarket. Luminous dial see photos ● Case Condition - Case is very good condition. Been polished by a professional. Aftermarket dial ,hands. Aftermarket inner bezel rotates both direction. Outer bezel insert is aftermarket and in good condition. Crown and buttons also aftermarket. Steel strap is aftermarket. Will fit up to 23cm wrist This watch contains aftermarket customisations without permission from the brand. This could impact the watch value and might void manufacturer warranties. Including , polishing , aftermarket dial , hands , bracelet , crystal , bezel insert and pushers. We ask sellers to mention any known aftermarket parts. We do not guarantee water resistance on vintage watches . The brand might refuse servicing and repairs to watches modified by unlicensed watchmakers. Please use photos as part of the description. ● Dimentions - 40.8mmX46.2mm ● Glass - Replacement glass is good condition no stratch or cracks ● Timekeeping - Keeps time, chrono functions as it should ● Production Year - 1970's ● Service History - Recently serviced by a professional. Will not need servicing for few more years. No waterproof warranted ● Shipping - Will be packed with care and shipped insuranced with fast carriers (UPS/DHL) Usually arrives in 2-3 days. ● Check my other watches for combined shipping ● Please recycle or better reuse the bubble wrap and hard box that watch will come in it