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6309-5710 · SK-008

Seiko 5 Automatic Green

€64≈ $69Sold
Made
Aug 1982
Condition
A · Excellent
Dial
Restored
Movement
6309 automatic
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About this watch

Seiko 5 Automatic Green, reference 6309-5710, made in Aug 1982. Green sunburst dial with applied baton markers, day-date window with English / Arabic day wheel. Comes on a stainless steel bracelet (aftermarket). Restored watch: the Seiko case and automatic movement are genuine, and the dial is a refurbished replacement. For everyday wear this makes no difference; it only matters to collectors. Condition grade A – Excellent: minimal wear, runs well within factory spec.

What "Restored" means Many vintage Seikos lost their original dials to humidity over the decades, so replacement dials were fitted. For everyday wear it makes no difference at all: the case and the automatic movement, the parts that keep time, are genuine Seiko. Dial originality only matters to collectors, which is why it is priced lower. More about restored watches

Specifications

Reference6309-5710
Dial code7009-469L
MovementSeiko automatic, day-date
Production dateAug 1982
DialGreen sunburst, applied baton markers
Day wheelEnglish / Arabic
CaseRound stainless steel
Condition gradeA what this means
Case & movementGenuine Seiko Seiko
Dial originalityRefurbished replacement dial Restored how we check
Bracelet / strapStainless steel bracelet Aftermarket
IncludedWatch only

Honest notes

  • Scratches on the bracelet
About this model

The Seiko 6309-5710

The Seiko 6309-5710 is a Seiko 5 automatic (6309 family, export). It runs on Seiko's calibre 6309, an automatic movement with 17 or 21 jewels, beating 21,600 times an hour. It can't be wound with the crown and winds itself as you wear it, and the seconds hand keeps running while you set the time. Seiko made the 6309 from about 1976 to 1990. Seiko 5s in round, cushion and square cases with colourful sunburst dials. The 6309-7040 Turtle diver uses the same movement.

Is it original? The small dial code at 6 o'clock should start with 6309, like the caseback. If it starts with another number, the dial was made for a different model (a replacement dial). We have seen this reference with dial code 7009-469L.

What is it worth? A running 6309-5710 in average condition usually sells for about €60–130 in Europe; an original dial, a strong colour and the original bracelet push it up. Price guide

Everything about the Seiko 6309-5710 →

Learn more about this watch
Movements

Seiko 6309 guide: the movement behind the Turtle and the Seiko 5

Everything about the Seiko 6309 automatic: specs, years, the famous 6309-7040 Turtle diver, 6309 Seiko 5 references, how to set it, common faults and what 6309 watches are worth.

Know before you buy

Original, refinished or replacement? How to check a Seiko dial

How to tell an original vintage Seiko dial from a redial or a replacement: dial codes, print quality, lume and wear. The checks we use on every watch.

How to

How to set the day and date on a vintage Seiko 5

Step-by-step: how to set the time, day and date on Seiko 5 watches with 6309, 7009, 7S26 and 7S36 movements, which type of crown your watch has, and the hours when you should never change the date.