Seiko - Business-A - No reserve price - 8306-8020 - Unisex - 1967
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Seiko Business-A, reference 8306-8020, from the 1960s (1967) with automatic movement.
AI-assisted summary
Description from the seller
Vintage Seiko Business-A Diashock Automatic 27 Jewels (1967) - Day/Date
A beautiful vintage timepiece, the Seiko Business-A was part of the final, thin and compact automatic winding series targeting businessmen. This model is highly collectible, featuring the reliable 8306 automatic movement with 27 jewels and a quick-set function for the date.
Key Specifications
Brand Seiko
Model Name Business-A
Caliber-Case No. 8306 - 8020 (Marked on case back)
Movement Automatic Winding (with Hand-Winding Capability)
Jewels 27 Jewels (Diashock)
Year of Release 1967
Case Material Stainless Steel (One Piece Case)
Dial Sunburst Silver/White, Applied Baton Indices
Functions Day/Date Display at 3 o'clock (Date is quick-set via crown pull)
Dimensions & Condition
Case Width (Excl. Crown): 35 mm
Case Length (Lug to Lug): 41 mm
Case Thickness: 10 mm
Bracelet: Fitted with an attractive aftermarket, free-size adjustable Milanese Mesh Strap.
Movement & Accuracy
Current Running State: Operating without issues.
Accuracy Check (Flat Position): ±1 minute per day (as measured on a timegrapher in the photos).
Important Notes
Case Condition: Described as in "relatively good condition for the old one."
Waterproofing: This is an old item. No waterproof testing has been performed, and waterproofing cannot be guaranteed. Do not expose the watch to water.
Vintage Seiko Business-A Diashock Automatic 27 Jewels (1967) - Day/Date
A beautiful vintage timepiece, the Seiko Business-A was part of the final, thin and compact automatic winding series targeting businessmen. This model is highly collectible, featuring the reliable 8306 automatic movement with 27 jewels and a quick-set function for the date.
Key Specifications
Brand Seiko
Model Name Business-A
Caliber-Case No. 8306 - 8020 (Marked on case back)
Movement Automatic Winding (with Hand-Winding Capability)
Jewels 27 Jewels (Diashock)
Year of Release 1967
Case Material Stainless Steel (One Piece Case)
Dial Sunburst Silver/White, Applied Baton Indices
Functions Day/Date Display at 3 o'clock (Date is quick-set via crown pull)
Dimensions & Condition
Case Width (Excl. Crown): 35 mm
Case Length (Lug to Lug): 41 mm
Case Thickness: 10 mm
Bracelet: Fitted with an attractive aftermarket, free-size adjustable Milanese Mesh Strap.
Movement & Accuracy
Current Running State: Operating without issues.
Accuracy Check (Flat Position): ±1 minute per day (as measured on a timegrapher in the photos).
Important Notes
Case Condition: Described as in "relatively good condition for the old one."
Waterproofing: This is an old item. No waterproof testing has been performed, and waterproofing cannot be guaranteed. Do not expose the watch to water.
Details
Brand
Seiko
Gender
Unisex
Model
Business-A
Reference Number
8306-8020
Band material
Steel
Shipped Insured
Yes
Band length
Regular (180–200 mm)
Period
1960-1969
Repainted dial
No
Movement
Automatic
Dial colour
Silver
Case material
Stainless steel
Original box included
No
Original papers included
No
Original warranty included
No
Case diameter
36 mm
Condition
Good - visible signs of wear
Year
1967
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