Model reference
Seiko CRA640
ソシエ (sociée) · catalogued across 1977 · 1978 · 1979
- Case
- SGP
- Jewels
- 17
- Dial
- white
- List price
- ¥23,000

Identifiers
- Case–dial code
- 505-521
From the catalogue
- Dial
- white
- Case
- SGP
- Strap
- 13.0 mm
- Jewels
- 17
- List price
- ¥23,000
- Specs
- 手巻 · ハードレックス
Hardlex crystal
Appears in
- Seiko V1p.77 · view page
- Seiko V2p.84 · view page
- Seiko V1p.95 · view page
- 1977 Seiko Catalog Vol.2p.71 · view page
Elsewhere at Tiny Hour Tales
Seiko pieces in the shop now
Not this reference or caliber — simply the Seiko-family watches available today.




