Name: Seiko - King Quartz - Ohne mindestpreis - 9923-702B - Herren - 1970-1979
Brand: Seiko
Rating: 100 (54 reviews)

Erwin Dekker

Auktion: Vintage Seiko-Uhren

【Produktbeschreibung】

Der Seiko King Quartz 9923-702B ist eine verfeinerte japanische Damenuhr? Hmm. The original is dress watch, not gender specified. I'll translate as elegante Damenuhr? But better neutral: elegante Herrenuhr? The Seiko King Quartz is a dress watch. Let's do elegante Herrenuhr. But gender neutral: elegante Armbanduhr. Use 

【Product Description】

The Seiko King Quartz 9923-702B is a refined Japanese dress watch from the late 1970s to early 1980s that represents Seiko's premium quartz line, introduced in 1975 alongside the Grand Quartz series. Its slim gold-plated case measuring 35mm × 42mm, balanced proportions, and understated elegance make it versatile for both everyday wear and formal occasions.

The dial presents a crisp and highly legible display with applied baton markers, sharp hands, and a practical day-date indication at 3 o'clock. The distinctive monocrystalline quartz symbol at 6 o'clock—a stylized honeycomb emblem—confirms this as a high-grade Twin Quartz model from Seiko's luxury hierarchy. The warm golden tones of both the dial and case create a cohesive, distinctly vintage Seiko character while maintaining timeless wearability.

【Historical and Collector Significance】

Powered by Seiko's exceptional caliber 9923 Twin Quartz movement—developed by Suwa Seikosha in Nagano Prefecture—this model delivers outstanding accuracy of ±20 seconds per year (approximately ±1.7 seconds per month), achieved through dual quartz oscillators with temperature compensation technology. The 5-jewel movement features day-date complications, hacking seconds function, and operates at 32,768 Hz.

Introduced in 1975, the King Quartz line was strategically positioned below Grand Quartz as a premium yet accessible collection, typically priced under 72,000 yen with steel or gold-plated cases. The 9923-702B was frequently presented as a corporate gift by major Japanese companies—most notably Tokyo Electric Power Company—for employee retirement or long-service recognition, making it a culturally significant timepiece that symbolized achievement and loyalty.

The Twin Quartz technology represented a major advancement during the quartz revolution, with the dual-crystal system maintaining precision even as temperatures fluctuated. This innovation positioned Seiko as a leader in high-accuracy quartz watchmaking during the late 1970s.

Today, well-preserved examples like the 9923-702B—particularly those retaining original components such as the gold-plated case finishing, matching dial, and period-correct leather straps—are increasingly appreciated by collectors for their exceptional timekeeping, honest design, and strong connection to Japan's corporate presentation culture. For collectors seeking an authentic vintage Japanese Twin Quartz watch with both historical significance and everyday practicality, the 9923-702B remains a compelling choice.

【Brand】
Seiko

【Model】
King Quartz

【Reference Number】
9923-702B

【Serial Number】
030877

【Movement】
Quartz

【Day Display】
English and Japanese

【Case Size】
Approx. 34 mm (excluding crown)

【Bracelet Material】
Leather

【Wrist Size】
Adjustable from approximately 15 cm to 18.5 cm by using the holes on the buckle.

【Condition】
Case: Shows signs of wear and scratches from use, with rust and dirt accumulated over time (see photos). The caseback is engraved with “Tokyo Electric Power Company, Inc.,” giving it unique character as a commemorative piece.

Bezel: Shows signs of wear and scratches from use, with rust and dirt accumulated over time (see photos).
Dial: No noticeable damage (see photos).
Crystal: Scratches present (see photo).
Bracelet: No noticeable damage (see photo).

【Crown Operation】
First notch: Set the date and day of the week.
Second notch: Set the time.

【Movement Condition】
The quartz movement is functioning normally (battery replaced in May 2026).

【Accessories Included】
Watch only (no box or papers).

【Other Notes】
Made in Japan.

【Shipping】
Ships via EMS or DHL international registered mail (with tracking and insurance).
Estimated delivery time to Europe is approximately 7–14 business days after shipment.

【Notice】
The bracelet is not an original Seiko part but an aftermarket replacement and is not the bracelet that originally came with the watch.

Seiko - King Quartz - Ohne mindestpreis - 9923-702B - Herren - 1970-1979 

Quarz - Vergoldet

Japan

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Modell

Material Uhrenarmband

Referenznummer

Länge Uhrenarmband

Versicherter Versand

Neu lackiertes Zifferblatt

Periode

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Inklusive Originalverpackung

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Gehäusedurchmesser

Inklusive Originalgarantie

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Seiko - King Quartz - Ohne mindestpreis - 9923-702B - Herren - 1970-1979

Von Erwin Dekker ausgewählt

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