Vintage Seiko Grand Quartz 9943-8020 June 1978 Kanji Day Date Suwa Dial Men's Wristwatch
Seiko
Vintage Seiko Grand Quartz 9943-8020 June 1978 Kanji Day Date Suwa Dial Men's Wristwatch
Import duties and customs fees are not included and will be collected by the carrier upon delivery, except for shipments to the USA where these fees are included at checkout.
Seiko Grand Quartz 9943-8020
Gold-Tone Twin Quartz with Diamond Dust Dial | Dated June 1978
A radiant expression of Seiko's peak quartz craftsmanship, this Seiko Grand Quartz 9943-8020 pairs groundbreaking precision with striking visual opulence. Finished in gold-tone throughout, the case and integrated bracelet shimmer with elegant finesse—setting the stage for the showstopper: a diamond dust-textured dial that catches the light with every subtle wrist movement.
At the heart beats Seiko’s Caliber 9943 Twin Quartz movement, engineered to correct for temperature variations and achieve an astounding ±10 seconds per year. It features a hacking function, quickset day-date (Kanji/English), and the iconic double lightning bolt insignia at 6 o’clock—signaling its elite status in Seiko’s quartz hierarchy.
The design channels classic Grammar of Design DNA with sharp faceted lugs, polished bevels, and a brushed case top that plays beautifully against the mirror-polished edges. The integrated gold-tone bracelet is woven with alternating polished and matte links, completing the aesthetic of vintage Japanese luxury.
This is not just a watch—it’s a statement piece from a time when Seiko was pushing quartz technology to its absolute limits, while still honoring Japanese artistry and refinement. A rare find in this condition, especially with its dazzling dial and full original bracelet.
Product File
Brand: Seiko
Product: Wristwatch / Auction
Collection: Vintage
Movement: Quartz
Display: Analog
Specifications
We ship worldwide
We ship worldwide
We ship to all major destinations globally, this includes North America, South America, Europe, The Middle East, Everywhere in Asia, Australia, new Zealand etc
Brand new with box and papers
Brand new with box and papers
All our products are brand new with box and papers unless stated otherwise! For example, our vintage section are not brand new.
Pre order ship on release date
Pre order ship on release date
Pre-order items, which will ship according to the release date stated below.Processing time does not include shipping time.
About Import Duties, Taxes, and Other Levies
About Import Duties, Taxes, and Other Levies
If you are not based in the USA then Import duties, taxes, tariffs, and fees are not included in the item price or shipping cost. The Japanese Factory is not responsible for these charges. Please check with your local customs office for details before making a purchase. Please read our Shipping Policy for more details. This does not include USA based customers!
About down payments
About down payments
You may choose to pay in full or secure the item with a 50% non-refundable deposit.
If a deposit is selected, the remaining 50% balance must be paid before shipment.
Please note: Deposits are non-refundable in the event of cancellation.
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