The 19GS family is based on the Seiko 1944 caliber, the world’s first movement for women’s watches running at 36,000 bph.
![](https://www.theseikoguy.com/media/2021/02/1964-0010_19GS-R-100_ss.jpg)
Ref. 1964-0010 (19GS R-100)
Movement: 1964
Type: manual
Jewels: 23
Bph: 36.000
Case: stainless steel
![](https://www.theseikoguy.com/media/2021/02/1964-0010_19GS-R-100_gc.jpg)
Ref. 1964-0010 (19GS R-100)
Movement: 1964
Type: manual
Jewels: 23
Bph: 36.000
Case: gold cap
![](https://www.theseikoguy.com/media/2020/12/1964-0010_19GS-R-100_pmp.jpg)
Ref. 1964-0010 (19GS R-100)
Movement: 1964
Type: manual
Jewels: 23
Bph: 36.000
Case: PMP
![](https://www.theseikoguy.com/media/2021/02/1964-0020_19GS-R-101_ss.jpg)
Ref. 1964-0020 (19GS R-101)
Movement: 1964
Type: manual
Jewels: 23
Bph: 36.000
Case: stainless steel
![](https://www.theseikoguy.com/media/2021/02/1964-0020_19GS-R-101_pmp.jpg)
Ref. 1964-0020 (19GS R-101)
Movement: 1964
Type: manual
Jewels: 23
Bph: 36.000
Case: PMP