Vintage Seiko Chronograph Watch Model 6139 6012 for Parts or Restore Seiko Vintage Watches For Sale Vintage Watch Studio VINTAGE SEIKO AUTOMATIC Watch 6139 6012 Chronograph JAPAN 149.66 Seiko 6139 6012 automatic chronograph 1973 Rare Vintage Seiko 6139 6012 Day Date Chronograph Diver Automatic 70M Seiko Men SEIKO CHRONOGRAPH 6139 6012 1970 79 Catawiki. Vintage Seiko Chronograph Vintage Watch from 1974, mens automatic timepiece powered by the Cal. 6139 column wheel movement. Featuring a refined golden sunburst dial with black accents, this collectible Japanese chronograph is fully serviced and for sale in excellent condition. Seiko Chronograph 1974 First impression 6139 6012 The Seiko 6139 6012 from 1974 captures the essence of Japanese horological innovation during the golden age of automatic chronographs. Its tonneau shaped stainless steel case, sunburst golden dial, and functional tachymeter scale deliver both sportiness and sophistication. As one of the earliest automatic chronograph calibers, the 6139 movement marked Seikos technical prowess and became a collectors icon. Seiko Chronograph Golden Sunburst Dial The vertically brushed golden sunburst dial creates a warm, radiant backdrop for the contrasting black applied indices. A silver outer chapter ring with a tachymeter scale adds depth, while the 30 minute chronograph register at 6 oclock balances the layout. The framed day date aperture at 3 oclock, showing English and Spanish days, reinforces the watchs functional character. Chronograph 6139 6012 Hands Black baton style hour and minute hands with luminous inserts ensure clear legibility against the golden dial. The central chronograph seconds hand is slender and precise, while the sub dial hand at 6 oclock maintains the monochrome theme. Seiko Chronograph 6139 6012 Brushed Stainless Steel Case The tonneau shaped stainless steel case measures 39 mm in diameter and 44 mm lug to lug, offering a comfortable and period correct fit. The brushed top surface contrasts subtly with polished sides, a hallmark of 1970s Seiko sports chronographs. The slightly domed Hardlex crystal complements the retro profile. Chronograph 6139 6012 Crown The recessed, unsigned crown positioned at 3: 30 maintains the cases clean lines and is correct for this reference, ensuring the original design integrity. Seiko Chronograph Stainless Steel Bracelet Fitted with its original Seiko stainless steel H link bracelet, the watch delivers a cohesive aesthetic and period authenticity. The signed folding clasp secures the bracelet comfortably on the wrist. Movement: Automatic Caliber 6139 The Seiko Caliber 6139 is a 17 jewel, automatic chronograph movement operating at 21,600 bph. Introduced in 1969, it employs a column wheel and vertical clutch advanced features for its time ensuring precise chronograph engagement and durability. Built entirely in house, it stands as a milestone in Japanese horology heritage. Heritage of the Seiko Chronograph in the 1970s The 6139 series played a significant role in the global race for the first automatic chronograph. Released alongside Swiss counterparts in 1969, it quickly gained a reputation for reliability and style. This 1974 example showcases Seikos mastery of design and engineering during a transformative decade for watchmaking. Seiko Chronograph 12 Month Warranty, Worldwide Shipping This fully serviced Seiko 6139 6012 is offered in excellent operational condition, with all original components preserved. Backed by a 12 month warranty, it is ready to be enjoyed or added to a discerning collection. We offer secure worldwide shipping. Brand Seiko Model Chronograph Reference 6139 6012 Condition Used Gender Men's Caliber 6139 Category Chronograph Vintage Watch Production Year 1974 Dial Color Golden Sunburst Case Diameter 39. 0 mm Lug to Lug 44. 0 mm Lug Width 19. 0 mm Wrist Size 220 mm Case Material Stainless Steel Movement Type Automatic Fully Serviced Yes Fully Operational Yes Original Watch Components Yes Warranty 12 Months Discover more exceptional Seiko vintage chronographs like this 1974 Cal. 6139 golden dial example in our curated Seiko collection. Browse our full range of vintage chronograph watches including rare automatic models from the 1970s in our store.