Seiko 5 Ref. 6309-911A – 36mm (1981)
The 6309 series, produced during the 1970s and 1980s, became known for its robust automatic movements and excellent longevity. The Ref. 6309-911A is a representative example of this era, combining Seiko’s engineering expertise with the understated style that continues to attract vintage watch collectors worldwide.
Historical Background
A timeless example of Seiko’s renowned reliability, this Seiko 5 Ref. 6309-911A from 1981 combines classic design, robust construction, and a dependable automatic movement. With its elegant white dial and versatile 36 mm case size, it represents the practicality and quality that made the Seiko 5 collection a worldwide success.
The Seiko 5 collection was introduced in 1963 with the goal of creating reliable, affordable, and durable mechanical watches for everyday use. The “5” represented five essential features: an automatic movement, day-date display, water resistance, a recessed crown, and a durable case and bracelet.
Specifications
- Brand: Seiko
- Model: Seiko 5
- Reference: 6309-911A
- Year: 1981
- Case Size: 36 mm
- Case Material: Stainless Steel
- Dial: White
- Movement: Seiko Calibre 6309, Automatic
- Crystal: Hardlex
- Service: Fully serviced in July 2026
- Warranty: 1-year mechanical warranty
- Condition: Excellent vintage condition with signs of wear consistent with its age