Seiko Bronze. Vintage August 1984 Seiko 5 Ref. 6309-7320 Automatic 17 Jewels Day-Date – Brown Dial –
Stainless Steel
Overview
Vintage August 1984 Seiko 5 Automatic, Reference 6309-7320, Featuring A Warm Brown/Copper-Tone
Dial, Stainless-Steel Case And Stainless-Steel Bracelet.
The Dial Features Applied Baton Hour Markers, Silver-Tone Hands, Central Seconds And A Day-Date
Display At 3 O’Clock. Seiko Branding And The Applied Seiko 5 Emblem Are Positioned Below 12 O’Clock,
With Automatic 17 Jewels Above 6 O’Clock.
The Watch Is Powered By The Seiko Cal. 6309, A 17-Jewel Automatic Mechanical Movement.
Reference 6309-7320 Is Documented With This Movement.
The Watch Is Running At The Time Of Cataloguing.
Specification
Brand: Seiko
Collection: Seiko 5
Reference: 6309-7320
Production Date: August 1984
Serial Number: 480017
Movement: Seiko Cal. 6309 Automatic Mechanical
Jewels: 17 Jewels
Frequency: 21,600 Vph
Winding: Automatic
Case: Stainless Steel
Dial: Brown / Copper-Tone
Hour Markers: Applied Baton Indices
Hands: Silver-Tone Hour &Amp; Minute Hands With Central Seconds
Functions: Hours, Minutes, Central Seconds, Day &Amp; Date
Day-Date Display: At 3 O’Clock
Bracelet: Stainless-Steel Bracelet
Caseback: Stainless Steel
Current Water Resistance: Not Tested
Case Diameter: Send Me The Measurement And I’Ll Add It.
Condition: Vintage / Pre-Owned
The Watch Is Running At The Time Of Cataloguing.
Timekeeping Accuracy, Power Reserve And Service History Have Not Been Tested, And Continued
Operation Is Not Guaranteed.
The Brown/Copper-Tone Dial Presents Attractively, Retaining A Strong Vintage Appearance With Seiko
Branding, Applied Seiko 5 Emblem, Baton Indices And Day-Date Display Clearly Presented.
The Stainless-Steel Case And Bezel Display Scratches, Marks And General Surface Wear Consistent With
Age And Previous Use.
The Stainless-Steel Bracelet Displays Scratches And General Wear.

The Crystal Displays Visible Surface Marks And Wear.
The Stainless-Steel Caseback Displays Scratches And Surface Wear. It Has Been Removed For The
Supplied Movement Photograph And Refitted.
Current Water Resistance Has Not Been Tested And Should Not Be Assumed.
Please Refer Closely To The Photographs, As They Form An Important Part Of The Condition Description.
Included With This Lot
Seiko 5 Automatic Wristwatch On Stainless-Steel Bracelet.
No Original Box, Papers, Service Records Or Additional Accessories Are Confirmed As Accompanying The
Lot.
Identification &Amp; Authenticity
The Stainless-Steel Caseback Is Marked 6309-7320 With Serial Number 480017. Reference 6309-7320
Is Documented As A Mechanical Automatic Seiko Powered By The 17-Jewel Cal. 6309.
The Six-Digit Serial Follows The Established Vintage Seiko Dating Convention: The First Digit Represents
The Final Digit Of The Production Year And The Second Represents The Month. Therefore 48Xxxx
Indicates A Year Ending In 4 And August Production. The Cal. 6309 Production Period Places This
Example In August 1984.
The Photographed Movement Is Consistent With The Seiko Cal. 6309. This Calibre Is A 17-Jewel,
21,600 Vph Automatic Movement With Central Seconds And Day-Date Functionality And Without
Conventional Manual Winding Or Hacking Seconds.
No Original Purchase Documentation, Service Records Or Manufacturer Authentication Accompany The
Watch. Originality Of Individual Components Has Not Been Independently Verified.
Design Context
This Example Reflects Classic Mid-1980S Seiko 5 Styling, Combining A Warm Brown/Copper Dial With
Applied Indices, Day-Date Functionality And A Practical Stainless-Steel Case And Bracelet.
The Cal. 6309 Was One Of Seiko'S Extensively Used Automatic Movements Of The Period, Combining A
Straightforward 17-Jewel Construction With Day-Date Functionality And A 21,600 Vph Operating
Frequency.
Market Context
Vintage Seiko 5 Automatic Watches Have An Established Collector Following, With Value Influenced By
Exact Reference, Dial Configuration And Originality, Cosmetic Condition, Bracelet Configuration And
Mechanical Operation.
This Example Benefits From Its Identifiable 6309-7320 Reference, Dated Serial, Distinctive
Brown/Copper-Tone Dial And Running Cal. 6309 17-Jewel Automatic Movement.

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