As close as one might get to a BIG date on a Grand Seiko. The SBGR311 LE might be considered a marmite wristwatch due to size (42mm) and dial color. I’d suggest the case of the 311 is the big surprise for me and although substantial (thick/tall), it turns...
I must say I agree with you on the sapphire back being spoiled by too much writing. What’s the point of an observation window if you can’t see through it? As far as big dates go, I don’t know of any GS Big Date, but here’s a Seiko /Credo watch powered by ...