Thank you Steppy, that helps to clarify.
Type: Posts; User: RobB
Thank you Steppy, that helps to clarify.
Grand Seiko differentiates between models with cases that have sapphire crystals with anti-reflective coating and models that have "high-definition dual-curved" sapphire crystals with anti-reflective...
I too found CLOCKMAN's posts to this thread fascinating to read, the wisdom of years of professional timepiece work. At this point I'm not even a "hobby watchie" but the janitor in the hallway...