Movement referenceLong production run
Seiko caliber 4N21
Three-hand ladies quartz with battery end-of-life indicator, 14.5 x 10.8 x 1.9 mm, SR516SW. Seiko's JDM table lists the 4N21B version released Oct 1988; it appears in JDM catalogs 1990-1998 (Lucent, Exceline, Spirit); a dealer dates one Lukia example to May 1999.
- Type
- quartz
- Jewels
- —
- Produced
- 1987–2002 (approx.)
- Family
- 4N analog quartz (ladies, rectangular)
Have a 4N21? Find the year it was made.
In the catalogue
0 modelsNo models with the 4N21 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 4N21, in the shop now
The shop’s own listing names the 4N21 for this watch.

