Seiko Uhrglas 220W01AL – Tokelaito Mineralglas – für Seiko Chorus Week – NOS Quarz One example is the Seiko

One example is the Seiko caliber NH34

wasserabweisender („防水“) Spezialbeschichtung und matter Oberfläche

Movement: Automatic caliber 5606A

• Bracelet: Stainless steel with folding clasp

Seiko Uhrglas 220W01AL – Tokelaito Mineralglas – für Seiko Chorus Week – NOS Quarz One example is the SeikoOriginal Seiko Tokelaito () watch crystal with reference 220W01AL , from unused old stock (NOS). Tokelaito is Seiko's historical name for a hardened mineral glass that was used in numerous models of the 1960s and 1970s. This glass was demonstrably used in the rare Seiko Chorus Week series an elegant vintage collection for which original parts are now almost impossible to find. The WP marking on the packaging stands for the waterproof version ("Water