Movement referenceLong production run
Seiko caliber 1E20
Two-hand ultra-small ladies quartz (20-second hand step), 9.5 x 9.0 x 2.4 mm, SR512SW. Seiko's JDM caliber table gives release Nov 1983; it appears in JDM catalogs from 1985 through 1998 (Tisse, Noie). End year after 1998 is not documented and is widened.
- Type
- quartz
- Jewels
- 5
- Produced
- 1983–2004 (approx.)
- Family
- 1E analog quartz (ladies, ultra-small)
Have a 1E20? Find the year it was made.
In the catalogue
0 modelsNo models with the 1E20 are in the catalogued sets yet — the extracted catalogues are mostly 1968–1977 Japanese-domestic editions. More catalogues are being read.
Available at Tiny Hour Tales
With the 1E20, in the shop now
The shop’s own listing names the 1E20 for these watches.
