Model referencemedium confidence
Seiko C-21
seiko cronos (クロノス) · catalogued in 1960
- Case
- SS / FGF / K18
- Jewels
- 23
- List price
- ¥6,800 (SS) / ¥8,500 (FGF (SD)) / ¥21,000 (K18 (SD))

From the catalogue
- Case
- SS / FGF / K18
- Jewels
- 23
- List price
- ¥6,800 (SS) / ¥8,500 (FGF (SD)) / ¥21,000 (K18 (SD))
- Specs
- 23 jewels · SD as printed on the FGF / K18 price lines
Model line Seiko Cronos (クロノス); price from the page's list: クロノス 23j SS 6,800円 / FGF (SD) 8,500円 / K18 (SD) 21,000円; caption is double-printed: two overlapping material lines (23j SS and 23j FGF/K 18), so the case list is uncertain
Appears in
- Seikop.11 · view page
Elsewhere at Tiny Hour Tales
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Not this reference or caliber — simply the Seiko-family watches available today.




