Seiko "Pogue" Automatic Chronograph – Ref. 6139-6002 . An iconic piece of horological history, the Seiko "Pogue" holds the distinction of being the first automatic chronograph worn in space. Named after Colonel William Pogue, who famously wore his personal 6139-6002 during the 1973 Skylab 4 mission, this timepiece is instantly recognizable by its vibrant yellow sunburst dial and two-tone "Pepsi" tachymeter bezel. Designed for functionality and durability, it features an internal rotating bezel and a high-beat automatic movement, making it a cornerstone for any serious vintage collector. . Important Note: High-resolution images may exaggerate minor imperfections not visible to the naked eye. Dear Buyer, Dial , hands , case back , bracelet are aftermarket. 'This watch contains aftermarket customisations without permission from the brand. This could impact the watch value and might void manufacturer warranties. The brand might refuse servicing and repairs to watches modified by unlicensed watchmakers Specifications . Brand: Seiko . Model: "Pogue" Automatic Chronograph . Reference: 6139-6002 . Movement: Automatic, Seiko Calibre 6139B . Jewels: 17 Jewels . Case Material: Stainless steel . Case Size: 41mm (without crown) . Dial: Yellow Sunburst with Day-Date Window . Crystal: Hardlex Mineral . Bezel: Fixed "Pepsi" outer tachymeter and internal rotating 60-minute ring . Bracelet: Seiko Stainless steel "H-Link" bracelet Bracelet can fit up to 22cm wrist it is adjustable so you can adjust it to your wrist easily . Functions: Hours, minutes, central chronograph seconds, 30-minute sub-dial, day and date . Gender: Men . Era: 1970s . Condition . Overall: Very good vintage condition with period-correct components. . Movement: The Calibre 6139 automatic chronograph movement is serviced; the chronograph starts, stops, and resets to zero correctly. . Case: The stainless steel "C-shape" case is polished and well-maintained, retaining its sharp edges and brushed finishing. . Bezel: The inner bezel rotates smoothly via the crown, and the outer "Pepsi" insert remains bright. Watch contains after-market parts . The watch is serviced, polished, and ready to be worn as a historic and conversation-starting timepiece. . Tax Disclaimer . VAT, customs duties, or import taxes may apply depending on the buyer’s country. Please check local regulations before bidding. . Shipping . Worldwide insured shipping with tracking. The watch will be carefully packed for safe delivery. .