Seven and seven is the King James version way of saying 77. They usually put and to add numbers. For example, in Revelation 13:18, speaking about the number of the name of the beast, it says "and his...
The seventh seal is the only one that isn't opened by the end of chapter six of Revelation. That means 16 more chapters of Revelation's 22 chapters are left to describe seal seven. But God protects...