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Seiko 5 6309-720C Men’s Automatic Dress Vintage Watch, 1982

Sale price€230,00
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✅ Fully serviced ✅ 12-month warranty ✅ Returns accepted ✅ PayPal & cards
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Seiko Seiko 5 Ref. 6309-720C (1982), automatic Cal. 6309. 37.0 × 41.0 mm. Black (Matte with Texture); case stainless steel. Fully serviced, 12 months warranty.

Seiko 5 1982 — First impression - 6309-720C

The Seiko 5 reference 6309-720C from 1982 represents a refined balance of practicality and style within Japanese horology heritage. Its stainless steel tonneau-shaped case measures 37 mm, providing a versatile presence on the wrist. The matte black dial with vertical texture, accented by diamond-set indices and blue minute markers, creates a timeless yet distinctive aesthetic. This watch embodies the five core attributes of the Seiko 5 line: automatic winding, day-date complication, water resistance, durable case design, and recessed crown. This example has been fully serviced, remains in excellent condition, and retains all original components, offering collectors both authenticity and functionality.

Seiko 5 - Matte Textured Black Dial

The dial is distinguished by its matte finish combined with subtle vertical striping through the center. Diamond-set indices at 6, 9, and 12 o’clock provide sophistication, while baton hour markers add clarity. The chapter ring with blue accents further enhances legibility and lends a refined contrast. The day-date window at 3 o’clock features Roman numerals for the day and Arabic numerals for the date, adding a unique bilingual character.

Seiko 5 6309-720C - Hands

The dauphine-style hands are polished and fitted with luminous inlays, ensuring visibility in low light conditions. A thin central seconds hand sweeps smoothly across the dial thanks to the reliable Caliber 6309 movement. The overall layout maintains a refined balance, staying true to the Seiko 5 tradition of combining elegance with practicality.

Seiko 5 6309-720C - Tonneau Stainless Steel Case

The stainless steel case, executed in a tonneau form, measures 37 mm across and 41 mm lug to lug, making it slightly larger than many early 1980s dress watches. Its polished surfaces and sharp angles reflect the transitional design language of the era. With its integrated look and robust construction, the case exemplifies Seiko’s commitment to durability and comfort.

Seiko 5 6309-720C - Crown

The recessed crown at 4 o’clock is a defining element of the Seiko 5 identity. Its discreet placement reduces wear on the crown and enhances the ergonomic flow of the case, underscoring the practicality and thoughtful design choices characteristic of this collection.

Seiko 5 Stainless Steel Bracelet

This watch is fitted with its original stainless steel bracelet, featuring brushed center links and polished edges. The bracelet integrates seamlessly with the case, maintaining the cohesive tonneau aesthetic. Its comfort and durability make it well-suited for daily wear while retaining the watch’s dress-oriented elegance.

Seiko 5 1982 — Automatic Caliber 6309

Inside beats the automatic Seiko Caliber 6309, a movement renowned for its reliability and resilience. Beating at 21,600 vibrations per hour, it delivers smooth precision and a power reserve sufficient for everyday use. The 6309 movement, with its bilingual day-date functionality, highlights Seiko’s engineering focus on durability and practicality. Part of Seiko’s golden era of mechanical watchmaking, this caliber remains celebrated by enthusiasts and collectors for its longevity and serviceability.

Heritage of the Seiko 5 in the Early 1980s

By the early 1980s, Seiko 5 had become synonymous with reliable, affordable, and stylish automatic watches. The 6309-720C illustrates how Seiko merged traditional mechanical engineering with forward-thinking design. The integration of diamond indices and textured dials gave the series a refined identity, appealing to both casual wearers and serious collectors. This model reflects the cultural and design transition of the era, bridging the bold experimentation of the 1970s with the streamlined precision of the 1980s.

Seiko 5 1982 — Condition, Originality, and Trust

This vintage Seiko 5 is fully serviced and operates flawlessly. It retains all original components, including the case, dial, hands, and bracelet. With a 12-month warranty and worldwide shipping, it represents both a trustworthy acquisition and a timeless collectible. For those seeking a vintage Japanese automatic with character, history, and enduring style, this Seiko 5 is a highly desirable choice.

Brand Seiko
Model Seiko 5
Reference 6309-720C
Condition Used
Gender Men's
Caliber 6309
Category Dress Vintage Watch
Production Year 1982
Dial Color Black (Matte with Texture)
Case Diameter 37.0 mm
Lug to Lug 41.0 mm
Case Material Stainless Steel
Movement Type Automatic
Fully Serviced Yes
Fully Operational Yes
Original Watch Components Yes
Warranty 12 Months

Explore our collection of Seiko vintage watches including the 1982 Ref. 6309-720C with Caliber 6309, or browse other dress vintage watches featuring textured black dials and automatic calibers from the same era.

This piece has found a new wrist.

FAQ: Seiko 5 6309-720C Men’s Automatic Dress Vintage Watch, 1982

  • Is this Seiko suitable for daily use?

    Yes, if handled responsibly, serviced Seiko watches are fully suitable for regular wear.

  • Is this Seiko water-resistant?

    Vintage watches are not guaranteed to be water-resistant unless explicitly tested and stated in the listing.

  • Can I return the watch if I change my mind?

    Yes, we offer a 14-day return period, no questions asked, provided the item is returned in original condition.

  • Do you offer international shipping?

    Yes, we ship to over 100 countries using tracked and insured delivery services.

  • Where was this Seiko manufactured?

    Seiko is a Japanese brand; production for lines like 7009/7S26 was in Japan and other Asian facilities. This model is not Swiss-made.