Baxter,
Thank you for your first Review.
It is an important direction in your journey and we thank you for doing it here, amongst friends.
I have an older version of manual wind Grand Seiko but still concur with your findings. I don't have a see-through caseback and prefer the GS Lion.
I brought home two special things Made-in-Japan; the Grand Seiko and this....

Duchess of Crystal Alice
miniature daschund