Seiko Weekdater 6206-8990 from 1964

The Seiko Seikomatic Weekdater is a classic example of Seiko's growing ambition in the 1960s, combining a clean, understated design with the technical sophistication that made the brand increasingly competitive with Swiss watchmakers. This example features a silver sunburst dial, applied faceted hour markers and elegant dauphine-style hands, creating a refined appearance that works equally well for everyday wear or a vintage watch collection.

The dial is signed Seikomatic Weekdater and features the automatic 30-jewel movement designation. The day and date display at 3 o'clock provides additional practicality, with the day displayed in English and the date presented in a framed aperture. The combination of polished indices, a fine minute track and subtle blue lettering gives the dial considerable character without compromising its legibility.

Inside, the Seiko calibre 6206 represents an important part of the manufacturer's development of high-quality automatic movements. With 30 jewels and automatic winding, it reflects the emphasis Seiko placed on precision engineering and reliability during this period. The Weekdater name highlights the convenient day-and-date functionality that made these watches particularly versatile.

The stainless steel case features elegantly shaped lugs and a classic round profile, complemented here by a brown leather strap. Its balanced proportions and restrained styling make it an appealing choice for enthusiasts of vintage Japanese watchmaking.

A distinctive vintage Seiko that combines period-correct design language, practical calendar functionality and an interesting automatic movement.

Technical details

• Brand: Seiko

• Model: Seikomatic Weekdater

• Reference: 6206-8990 

• SKU: 1962

• Movement: Automatic, Seiko calibre 6206, 30 jewels

• Dial: Silver sunburst with applied hour markers

• Crystal: Not confirmed

• Functions: Hours, minutes, seconds, day and date

• Lug width: Not confirmed

• Condition: Please enquire for a detailed condition report

• Warranty: 2-year warranty

• Strap: Brown leather