Model reference
Seiko 66SA5-310
seiko 5 (ファイブグループ) · catalogued in 1967
- Case
- SS
- Jewels
- 21
- List price
- ¥8,800 (SS·WP)

Identifiers
- Case–dial code
- 908-905
From the catalogue
- Case
- SS
- Jewels
- 21
- Water resist.
- WP
- List price
- ¥8,800 (SS·WP)
- Specs
- automatic · day-date · luminous
セイコーファイブ (Seiko Five); 自動巻・ウイークデーター・夜光付; 311 = same case/dial code, 和文字 = day shown in Japanese characters
Appears in
- Seiko JDM Catalog No.2p.15 · 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.




