Seiko - Business-A 琴羽 (Kotoba) – Koto Feather - No reserve price - 8306-8001 - Men - 1967

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Description from the seller

Now available at auction from Second Vintage

A good preserved example of Seiko's renowned craftsmanship, this Seiko Business-A ref. 8306-8001 offers a harmonious blend of mid-century sophistication and reliable daily utility. Showcasing a rich sunburst charcoal dial with applied indices and a crisp day-date display, this timepiece captures a classic Seiko aesthetic paired with subtle vintage character. Its stainless steel case maintains its defined lines and original proportions, making this watch an exceptional choice for collectors and those seeking timeless style in a wearable size. The included recent timegrapher reading underscores its remarkable mechanical health—making it both a practical and highly collectible vintage Seiko.

Brand: Seiko
Model: Business-A
Reference Number: 8306-8001
Serial Number: 7202170
Movement: Automatic (Seiko, original to the period)
Dial: Charcoal sunburst, applied silver indices, framed day-date at 3 o’clock
Case Size: 35 mm (excluding the crown)
Case Material: Stainless steel
Production Year: 1967
Condition: Honest vintage condition with appealing dial patina and well-preserved case; running at +18 to +23 seconds per day on the timegrapher, a strong result for a watch of this age.

Dial and Hands
The charcoal sunburst dial has developed a pleasing, authentic patina that testifies to its age while remaining distinctly clean and readable. The applied silver indices and matching dauphine hands interact elegantly with the light, while the hands and luminous plots have aged gracefully, contributing character and charm. The day-date window at 3 o’clock is sharply defined, with clear, original printing.

Case and Crystal
The 35mm stainless steel case displays strong lines and sharp lugs with light, even wear consistent with careful use over decades. There are minimal surface marks, and the profile remains true to the original design. The acrylic crystal is clear and free from major blemishes, providing an unobstructed view of the handsome dial.

Movement
Driven by a reliable Seiko automatic movement, this watch is performing at +18 to +23 seconds per day per timegrapher readings, indicating healthy movement and dependable vintage performance.

Strap
Paired with a supple brown leather strap that complements the vintage look and is comfortable for immediate wear.

Condition
This Seiko Business-A remains in honest vintage condition. The dial, case, and hands show tasteful signs of age and pleasing patina. The watch runs within healthy vintage tolerances, supported by an excellent timegrapher result.

Dimensions
Case diameter: 35 mm (excluding the crown)

Remarks
A striking example of late-1960s Seiko design and reliability, this Business-A stands out for its robust movement, sharply preserved case, and richly patinated dial. It is an ideal acquisition for collectors seeking understated vintage style with enduring mechanical quality.

History
Introduced as part of Seiko’s push for refined, reliable mechanical watches, the Business-A line became synonymous with everyday dependability and subtle elegance. The 8306-8001 iteration is particularly valued for its day-date complication and classic proportions, making it a coveted model among vintage Seiko enthusiasts.

Payment and Shipping
Payment must be completed within 1-3 days after purchase.
The watch will be securely packaged and shipped with tracking and insurance for your peace of mind.
Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation.
As with all vintage watches, water resistance is not guaranteed.
The watch will be delivered in fully functional working condition.
If you have any questions, feel free to contact us after the auction ends.

/ Second Vintage

SKU: SEIB7MFI60000

Seller's Story

Welcome to Second Vintage. Our weekly selections feature carefully curated vintage timepieces from iconic brands such as Rolex, Omega, Longines, Seiko, and many more. Each watch is thoroughly inspected and always delivered in working condition. We are a team of dedicated vintage watch enthusiasts with deep expertise in the details that truly matter – from reference numbers and movements to authenticity, design, and historical nuance. With thousands of successful auctions and satisfied customers across the globe, we are proud to be recognized as a Top Seller on Catawiki. Our reputation is built on trust, transparency, and consistent quality. You can bid with confidence knowing that your satisfaction is our highest priority. We ship quickly and securely, using professional packaging to ensure your watch arrives safely and exactly as described. All items are dispatched within 2–3 business days after payment. In the rare event that something occurs during transport, vintage watches can occasionally be affected by handling. Should an issue arise, we respond promptly and are always ready to assist in finding a solution. Your satisfaction comes first. Learn more about our brand at SecondVintage com

Now available at auction from Second Vintage

A good preserved example of Seiko's renowned craftsmanship, this Seiko Business-A ref. 8306-8001 offers a harmonious blend of mid-century sophistication and reliable daily utility. Showcasing a rich sunburst charcoal dial with applied indices and a crisp day-date display, this timepiece captures a classic Seiko aesthetic paired with subtle vintage character. Its stainless steel case maintains its defined lines and original proportions, making this watch an exceptional choice for collectors and those seeking timeless style in a wearable size. The included recent timegrapher reading underscores its remarkable mechanical health—making it both a practical and highly collectible vintage Seiko.

Brand: Seiko
Model: Business-A
Reference Number: 8306-8001
Serial Number: 7202170
Movement: Automatic (Seiko, original to the period)
Dial: Charcoal sunburst, applied silver indices, framed day-date at 3 o’clock
Case Size: 35 mm (excluding the crown)
Case Material: Stainless steel
Production Year: 1967
Condition: Honest vintage condition with appealing dial patina and well-preserved case; running at +18 to +23 seconds per day on the timegrapher, a strong result for a watch of this age.

Dial and Hands
The charcoal sunburst dial has developed a pleasing, authentic patina that testifies to its age while remaining distinctly clean and readable. The applied silver indices and matching dauphine hands interact elegantly with the light, while the hands and luminous plots have aged gracefully, contributing character and charm. The day-date window at 3 o’clock is sharply defined, with clear, original printing.

Case and Crystal
The 35mm stainless steel case displays strong lines and sharp lugs with light, even wear consistent with careful use over decades. There are minimal surface marks, and the profile remains true to the original design. The acrylic crystal is clear and free from major blemishes, providing an unobstructed view of the handsome dial.

Movement
Driven by a reliable Seiko automatic movement, this watch is performing at +18 to +23 seconds per day per timegrapher readings, indicating healthy movement and dependable vintage performance.

Strap
Paired with a supple brown leather strap that complements the vintage look and is comfortable for immediate wear.

Condition
This Seiko Business-A remains in honest vintage condition. The dial, case, and hands show tasteful signs of age and pleasing patina. The watch runs within healthy vintage tolerances, supported by an excellent timegrapher result.

Dimensions
Case diameter: 35 mm (excluding the crown)

Remarks
A striking example of late-1960s Seiko design and reliability, this Business-A stands out for its robust movement, sharply preserved case, and richly patinated dial. It is an ideal acquisition for collectors seeking understated vintage style with enduring mechanical quality.

History
Introduced as part of Seiko’s push for refined, reliable mechanical watches, the Business-A line became synonymous with everyday dependability and subtle elegance. The 8306-8001 iteration is particularly valued for its day-date complication and classic proportions, making it a coveted model among vintage Seiko enthusiasts.

Payment and Shipping
Payment must be completed within 1-3 days after purchase.
The watch will be securely packaged and shipped with tracking and insurance for your peace of mind.
Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation.
As with all vintage watches, water resistance is not guaranteed.
The watch will be delivered in fully functional working condition.
If you have any questions, feel free to contact us after the auction ends.

/ Second Vintage

SKU: SEIB7MFI60000

Seller's Story

Welcome to Second Vintage. Our weekly selections feature carefully curated vintage timepieces from iconic brands such as Rolex, Omega, Longines, Seiko, and many more. Each watch is thoroughly inspected and always delivered in working condition. We are a team of dedicated vintage watch enthusiasts with deep expertise in the details that truly matter – from reference numbers and movements to authenticity, design, and historical nuance. With thousands of successful auctions and satisfied customers across the globe, we are proud to be recognized as a Top Seller on Catawiki. Our reputation is built on trust, transparency, and consistent quality. You can bid with confidence knowing that your satisfaction is our highest priority. We ship quickly and securely, using professional packaging to ensure your watch arrives safely and exactly as described. All items are dispatched within 2–3 business days after payment. In the rare event that something occurs during transport, vintage watches can occasionally be affected by handling. Should an issue arise, we respond promptly and are always ready to assist in finding a solution. Your satisfaction comes first. Learn more about our brand at SecondVintage com

Details

Brand
Seiko
Gender
Men
Model
Business-A 琴羽 (Kotoba) – Koto Feather
Reference Number
8306-8001
Band material
Leather
Shipped Insured
Yes
Period
1960-1969
Repainted dial
No
Movement
Automatic
Case material
Stainless steel
Original box included
No
Original papers included
No
Case diameter
35 mm
Original warranty included
No
Condition
Very good - minor signs of wear
Year
1967
DenmarkVerified
2618
Objects sold
100%
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