Family: 6309
The Seiko 6309A is an automatic caliber with an analog display. It measures 26 mm in diameter. Its features include sweep seconds, quickset date and hacking seconds. It belongs to the 6309 caliber family. It launched in 1991. It is in production.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Diameter
26mm
Display Type
Analog
FEATURES
Sweep SecondsQuickset DateHacking Seconds
QUICK FACTS
FOR WATCH DEALERS
Sell watches powered by the 6309A?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.