1964 Vintage Seiko Skyliner J14082 – First Generation Skyliner – Cal.402 – Stainless Steel – 21 Jewels – Manual Wind Good Condition:KM229 This beautiful 1964 Seiko Skyliner represents one of the finest examples of Seiko's minimalist dress-watch philosophy during Japan's golden age of mechanical watchmaking, manufactured by Suwa Seikosha 諏訪精工舎. Introduced in 1963, the Skyliner replaced the earlier Liner series and offered a slimmer, more refined case while sharing much of the same engineering excellence. Powered by the reliable 21-jewel Seikosha Cal.402 manual-winding movement, this watch predates the later designation Cal.6220, making it an historically important transitional model. Its elegant radial silver sunburst dial, razor-sharp applied baton indexes, dauphine hands, and polished stainless-steel case give it a timeless appearance that remains remarkably modern even today. Unlike many surviving examples that show significant polishing or dial deterioration, this watch retains excellent case definition, an attractive original dial, and a clean movement, making it a highly desirable collector's piece. A brand-new genuine leather strap complements the classic design while preserving the watch's authentic vintage character. The Skyliner was introduced during one of the most innovative periods in Seiko's history. During the early 1960s Seiko was rapidly improving its mechanical movements while preparing for international competition and the technological achievements that culminated in the 1964 Tokyo Olympics. Although flagship models such as the Grand Seiko and King Seiko attracted most attention, the Skyliner became Seiko's premium mid-range dress watch, offering outstanding finishing and precision at a more accessible price. The first-generation Skyliner (J14xxx references) used: Seikosha Cal.402 (time only) Seikosha Cal.956 (calendar) Beginning in late 1964, Seiko adopted the new caliber numbering system, and these became the famous 6220 and 6222 movements respectively. Therefore, this watch belongs to the short-lived and increasingly collectible "J-reference" generation. Features: ■Brand Design: Seiko Skyliner ■Model Number: 14082 ■Product Number:4866763 Manufactured August 1964: Seiko serial numbers are six digits long, with the first two digits indicating the year and month of manufacture. The first number （4） indicates the fourth year of the 1960s, meaning the watch was manufactured in 1964 The next letter （8）is the month code. For Seiko,1-9 represents January through September, O = October, N = November, and D = December. → "N" is November. Therefore, this watch was manufactured in August 1964. ■Technical features of the Movement: Caliber 402 is not a completely different movement. It is essentially a simplified 3140 using the same overall architecture but with: fewer jewels, simplified finishing and slightly lower production cost. Later this movement became the basis for the Skyliner series. This is the core movement used in the Liner 15010/15010E series, developed in the early 1960s. • Movement Type: Manual winding hand-wind • Frequency / Vibrations:18,000vph （vibrations per hour）, equivalent to 5 beats/sec — a low-beat standard for the era. Low-beat results in the classic vintage sweep and robust longevity （less wear on parts） but slightly less instantaneous precision than higher beat movements. • Accuracy: approximately ±30 seconds per day, as cataloged at the time; Flat balance wheel, adjustable regulator. • Day / date: No • Number of jewels: 21 jewels • Power Reserve: ~33 hours（typical for fully wound）though exact figures vary with condition and age. . Vintage movements often run slightly shorter if aged or not freshly serviced, due to age-related wear and metal fatigue in the mainspring • Size / Dimensions: Diameter: Approximately 27.0 mm Thickness: Approximately （thin design）: The Liner series was based on the concept of a "thin dress watch," making this a fairly slim movement for its time. • Lift angle:54.5º • Hacking: No • Functions: Hours, minutes, central seconds — straightforward • Production: Circa early to late 1960s (e.g.,1961for Ref.15010） Manufactured at Seiko’s Suwa facility (Nagano Prefecture, Japan) • From the late 1950s to the 1960s, Seiko accelerated movement development with the themes of "thinness, high precision, and luxury." The 150 series was developed specifically for dress watches. At the time, many Japanese-made watches were thick, so the thinness of the 150 series was a major feature. ■Materials: • Case: Stainless Steel • Case Back: Stainless-steel Back inside shows Product Number: 4866763 • Dial: Beautiful radial silver sunburst disk with classic bar indexes and Dauphine 3 hands display combined for both legibility and elegance. • Case Size:36mmexcluding crown X 42mm including case lug Thickness: 9mm • Weight:41.0gms • Band: Brand-new Leather Band and 22cm relaxed wrist circumference with 5cm less adjustable in 8 holes • Crystal: Domed Acrylic 【Notes】This watch is not water-resistant. Please avoid wearing it in the rain or on hot, humid days. 【Winding Tips】 To wind the mainspring, turn the crown slowly and gently in clockwise and counterclockwise both directions back and forth until you feel stiff strong resistance, and you could hardly wind further. Strong-Over-winding may damage the mainspring. A full wind usually generates enough power for the watch to last for 24 hours. To pull out the crown, insert your fingernail between the case and the crown and gently lever it outward. The second hand does not stop when setting the time. ■Condition: Overall: The watch is in excellent good pre-owned vintage condition and is currently in good working order. There are very minor scratches and signs of wear on the case and crystal consistent with normal use over time. Case: shows very minor typical surface scratches, micro-scuffs, and signs of wear, due to its vintage age and regular use. Dial & Crystal: The dial remains in excellent, clean condition, well preserved with clear printing, applied indices, and an attractive texture that has aged gracefully. The crystal shows some minor micro-wear upon close inspection. Tested by manual winding three times during July 2026, the power reserve was 17, 20 and 21 hours respectively.so power reserve is slightly shorter than 33hours when it was new due to metal fatigue in the mainspring over 60 years usage. It is suggested to wind the mainspring gently and quietly. Careful handling, when winding and setting time, is required due to a real vintage watch. The watch is in excellent good condition overall and still does work precisely. As the movement and lubrication are in good condition, it is suitable for daily wear if wounded and worn regularly. ■ChatGPT’s comment/evaluation on photos of the watch and inside movement Dial ★★★★★ (9.5/10): The silver radial sunburst dial is the highlight. Positive observations: Original factory finish, Beautiful radial brushing remains visible, Sharp printed logo, Original "Water Proof 21" marking, No obvious moisture damage Even patina. This dial has aged naturally without discoloration commonly seen on many Skyliners. Excellent composition. The radial sunburst dial catches the light beautifully and immediately highlights why the Skyliner has become increasingly popular among vintage Seiko collectors Case ★★★★★ (9.2/10): The stainless-steel case appears original. Positive points: Lugs remain crisp, Original geometry preserved, Very little rounding, Attractive polished surfaces. No major dents. Unlike many gold-filled Skyliners whose plating wears away, this stainless-steel version has survived exceptionally well. Crystal ★★★★☆: Some light scratches consistent with age. A professional polish with Polywatch would likely improve its appearance considerably if it is the original acrylic crystal. Hands and Indexes ★★★★★: Excellent condition. The applied indexes remain: Straight, evenly aligned, bright, The dauphine hands also appear original with matching finish. Movement ★★★★★ (9.5/10): The movement is particularly impressive. Your photographs show: exceptionally clean bridges, no corrosion, intact screw heads. healthy jewel settings, clean balance area and no visible rust. The movement appears either professionally serviced in the past or extremely well preserved. Final Evaluation: Authenticity: ★★★★★ (Original dial, movement, case, and hands appear correct) Historical Importance: ★★★★★ (Early first-generation Skyliner with Cal.402) Mechanical Condition (visual): ★★★★★ Cosmetic Condition: ★★★★★ Collector Appeal: ★★★★★ Overall Score: 9.3/10: Among the early J14xxx Skyliner references, this is one of the better-preserved stainless-steel examples. The clean original sunburst dial, sharp case, and exceptionally tidy Cal.402 movement make it significantly more desirable than the average Skyliner encountered on today's vintage market.