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De fineste genstande bragt til dig af {name}

Erwin Dekker

Offered here is a striking example of 1970s Seiko engineering: the Seiko SilverWave, reference 6306-807A. Combining a robust stainless steel case, integrated bracelet design, and the revered 6306 automatic movement, this is a quintessential piece for any enthusiast of vintage Japanese horology. The SilverWave’s sunburst silver dial, sharp applied indices, and day-date complication present a timelessly versatile look—equally at home in casual or formal settings. This example remains impressive in originality and condition, delivering classic Seiko reliability and style.

Brand: Seiko  
Model: SilverWave  
Reference Number: 6306-807A  
Serial Number: 857112  
Movement: Seiko Caliber 6306, automatic, 21 jewels, quickset day/date, bilingual Kanji-English day wheel  
Dial: Sunburst silver with applied baton indices, matching hands, black minute track, original luminous plots, day and date at 3 o'clock  
Case Size: 38mm (excluding the crown)  
Case Material: Stainless steel  
Production Year: 1978  
Condition: Excellent vintage condition, running and keeping time within vintage tolerances  

Dial and Hands  
The sunburst silver dial is preserved in excellent condition, retaining crisp Seiko and SilverWave script. Applied rectangular indices feature inset lume, paired with matching luminous hands. The black minute track is clear and unmarred, while the day-date window remains bold with Kanji-English text. Minimal aging or blemishes are visible on close inspection.

Case and Crystal  
The 38mm stainless steel case displays sharp factory lines and a bold, angular profile, consistent with Seiko’s late-1970s style. Brushing and polishing appear original with only minor hairlines and handling marks expected of careful wear. The screw-down case back is clearly engraved with the SilverWave wave logo, reference, and serial. The acrylic crystal is free from deep scratches or cracks.

Movement  
Powering this SilverWave is the in-house Seiko 6306 automatic movement, featuring 21 jewels and a quickset bilingual day/date complication. The clean movement appears unmodified and is running strongly, keeping time within vintage tolerances.

Strap  
Fitted with a stainless steel bracelet

Condition  
This watch remains in excellent vintage condition, with well-preserved dial and hands, minimal case wear, clear engravings, and original bracelet. The movement is clean and running smoothly.

Dimensions  
Case diameter: 38mm (excluding the crown)  
Lug to lug: 42mm  
Thickness: 12mm  
Bracelet will fit wrists up to approximately 18.5cm

Remarks  
Vintage Seiko SilverWave models seldom appear in this level of preserved, all-original condition, especially with the sought-after 6306 movement and Kanji day wheel. A true collector’s piece for those seeking late-1970s Japanese design and reliability.

History  
The Seiko SilverWave line holds significance as one of the brand’s early explorations of sporty, water-resistant design. The 6306-807A, produced for the Japanese domestic market in the late 1970s, combined Seiko’s robust movement technology with a uniquely styled case and functional day-date complication. Collectors prize these models for their ruggedness, period-correct features, and distinctively bold aesthetic.

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. I 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 me after the auction ends.

/ Vintage Watches DK

Automatisk - Rustfrit stål

Seiko - SilverWave - Ingen mindstepris - 6306-807A - Mænd - 1978

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Seiko - SilverWave - Ingen mindstepris - 6306-807A - Mænd - 1978

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