cazalea
[Seiko Moderator]
20787
The 21D Shaped Seiko Movement
This nice pendant watch is marked 17 Jewels, and I had its images in my quartz folder. Oops, uncovered that mistake today.
Diashock protection on the balance, even with a movement the size of a penny.
Cazalea
The 21D Shaped Seiko Movement
This nice pendant watch is marked 17 Jewels, and I had its images in my quartz folder. Oops, uncovered that mistake today. Diashock protection on the balance, even with a movement the size of a penny. Cazalea ...
Diashock refers to Seiko’s anti-shock system
Two versions of Diashock are the rectangular shaped retainer (two prong) and the three-sided star or clover shaped retainer (three prong). In either case, Seiko refers to their shock absorption system as Diashock. Modern Grand Seiko watches tend to have t...
