Seiko Canada - Sapphire crystal with an anti-reflective coating on the surface as well as the Diashield titanium case and bracelet. Prospex SPB189 comes lighter and stronger for 2021! ・ #seikoprospex #prospex #
Diashield finishing on case and bracelet seem to not be fully coated on new SBDC171/SPB313 | WatchUSeek Watch Forums
![SEIKO] This is my MM200. It gives me great satisfaction everytime I glance at it. Couldn't ask for much more as a 20yo student. Loving the Diashield and polishing way more than SEIKO] This is my MM200. It gives me great satisfaction everytime I glance at it. Couldn't ask for much more as a 20yo student. Loving the Diashield and polishing way more than](https://i.redd.it/1adrym6cxql51.jpg)