Question 1

Where is Seiko House Ginza Clock Tower?

Accepted Answer

Seiko House Ginza Clock Tower is in Chuo, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of GATE does Seiko House Ginza Clock Tower appear in?

Accepted Answer

Seiko House Ginza Clock Tower appears in EP10 of GATE.

Question 3

Can I visit Seiko House Ginza Clock Tower?

Accepted Answer

Yes. Seiko House Ginza Clock Tower is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was GATE filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Seiko House Ginza Clock Tower is one of those real places (EP10).