Catherines Xmas gift

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Across
  1. 2. Of navigation, shipping (8)
  2. 7. Great ______ street hospital(6)
  3. 8. Wild West 'Necktie' (5)
  4. 10. Jekylls counterpart (4)
  5. 11. Natural waterway (5)
Down
  1. 1. Wales patron saint (5)
  2. 3. "Skyfall" singer (5)
  3. 4. Top of head (5)
  4. 5. 70s Rockband(3,7)
  5. 6. Blue hue (4)
  6. 9. City of dreaming spires (6)