Grand Seiko
Grand Seiko Grand Seiko 56GS 5641-5000 5641
The Grand Seiko Grand Seiko 56GS 5641-5000 (reference 5641) is a watch. It runs on the automatic caliber 5641.
Specifications
Case
- Reference
- 5641
- Collection
- 56GS
Movement
- Movement
- Automatic
- Caliber
- 5641
- Frequency
- 28,800 vph
Production
- Production
- Vintage
Dial versions
This reference was made with these dials and finishes.
5641
5641-5000
How it compares within the 56GS family
Side by side with other references in the same collection, from the catalog.
About the 56GS family
The 56GS, introduced in 1970, is an automatic Grand Seiko running at 28,800 vibrations per hour. It was produced into the later 1970s with date and day-date versions, on calibers 5641, 5645 and 5646.
It is one of the more accessible vintage Grand Seiko families. Buyers check the case for sharp lines, the dial and hands for originality, and the automatic winding and date change for correct function.
Quick answers
- What movement does the Grand Seiko Grand Seiko 56GS 5641-5000 5641 use?
- It uses the automatic caliber 5641.
- Is the Grand Seiko Grand Seiko 56GS 5641-5000 5641 still in production?
- Vintage.
Catalog facts checked October 2026.