Very similar, yeah. See link below.Isn't there a grand seiko that the back and movement looks exactly like that Credor?
The prices for these GS models are right up there with the Credor, haha.
Caliber 9R02 | Grand Seiko
Grand Seiko official site. Made by hand for those who value perfection. Grand Seiko raises the pure essentials of watchmaking to the level of art.
www.grand-seiko.com