Grand Seiko 4522-7000

The Grand Seiko 4522-7000 (ref. 45GSC 020 and 45GSC 021) is a Hi-Beat manual wind watch of the 45GS family. There are three versions of this reference, two in stainless steel, with a white textured dial or a dark blue dial, and one with a gold cap case, only available with a white textured dial.

The first appearance in the official Seiko catalogs is in the second volume of 1969, while the last appearance is in the second volume of 1971.

There is a time only version of each of these three watches, with reference 4520-7000 (45GS 020 and 45GS 021).

4522-7000 stainless steel
4522-7000 (45GSC 020)
Stainless Steel
4522-7000 gold cap
4522-7000 (45GSC 020)
Gold Cap
4522-7000 stainless steel blue
4522-7000 (45GSC 021)
Stainless Steel
Ref.45GSC 020 (white textured dial)
45GSC 021 (dark blue dial)
Case-movement ref.4522-7000
TypeHi-Beat Manual Wind
BranchDaini Seikosha
MaterialStainless Steel
Gold Cap
SizeDiameter: 37.5 mm
Lug width: 18 mm
Dial codeJAPAN 4522-7000T AD
Technical infoJapanese
Catalogs1969 vol. 2
1970 vol. 1
1970 vol. 2
1971 vol. 1
1971 vol. 2