Seiko - 5 DX - No reserve price - 5139-6000 - Men - 1968

Now available at auction from Second Vintage This vintage Seiko DX presents compelling Daini Seikosha heritage from the late 1960s, defined by an attractive silver sunburst dial and a distinctive recessed 4 o'clock crown. Powered by the 27-jewel automatic caliber 5139A, the watch delivers remarkable mechanical performance, offering a highly functional day-date configuration for the dedicated vintage enthusiast. Brand: Seiko Model: 5 DX Reference Number: 5139-6000 Serial Number: 8D9414 Movement: Automatic caliber 5139A, 27 jewels Dial: Silver sunburst with applied black-striped indices Case Size: 36 mm (excluding the crown) Case Material: Gold Plated Production Year: 1968 Condition: Fair vintage condition. Timegrapher: +5+10s/day, performing remarkably well. Dial and Hands The silver sunburst dial is well preserved, offering a clean and attractive appearance with minimal aging. Applied indices featuring black inserts are fully intact, complementing the crisp and legible printing. Under macro inspection, minor dust or light spotting is visible. The gold-tone baton hands display matching black center stripes, though they show noticeable surface oxidation and spotting on the metal surfaces, reflecting the authentic age of the watch. Case and Crystal The gold-plated case features an integrated smooth bezel design and a recessed, unsigned fluted crown positioned at 4 o'clock. The case is in heavily worn vintage condition, displaying significant gold plating loss on the lug edges and case flanks, exposing the base metal beneath. Moderate scratches and scuffs are present throughout the surfaces and bezel. The caseback shows typical wear, yet the markings remain legible. A domed acrylic crystal protects the dial, exhibiting light surface scratches and scuffs visible at certain angles, but remaining generally clear. Movement Inside beats the 27-jewel automatic caliber 5139A, bearing correct Seiko and Japan engravings. The movement presents a clean overall appearance, with an intact rotor and balance wheel, showing no obvious severe corrosion or damage. Timegrapher results indicate +5+10s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with a black leather strap featuring orange contrast stitching. The strap displays light wear and is secured by an unsigned clasp, presenting a modern visual character that contrasts nicely with the vintage dial. Condition Fair vintage condition. The watch exhibits significant visible aging on the exterior, most notably the heavy gold plating loss and moderate scratching across the case and smooth bezel. The hands display visible oxidation, while the silver sunburst dial remains largely clean with only minor spotting under close inspection. The timegrapher results reflect strong mechanical performance. Dimensions The case measures 36 mm (excluding the crown). Remarks This 1968 Seiko 5 DX is notable for its strong mechanical performance and classic Daini Seikosha dial configuration. While the case shows heavy external wear, the well-preserved silver sunburst dial and robust 27-jewel movement make it a highly capable daily wearer for those who appreciate honest vintage character. History During the late 1960s, Seiko's DX line represented a step up in the brand's expansive catalog, offering higher jewel counts and refined dial finishing. Produced by Daini Seikosha, these models introduced sophisticated automatic calibers to the global market. The caliber 5139A is recognized by collectors for its reliable day-date functionality and durable architecture. Watches from this era highlight Seiko's internal competition between the Suwa and Daini factories, driving the rapid advancement in Japanese watchmaking that defined the late twentieth century. / Second Vintage SKU: SEI-DJD-0001