Might be missing some parts in the middle, but it's ok to play.
Listen to song for chord change timing.

C (x32010@1)    G7 (320001@1)    C (x32010@1)    FOoki (133211@1)na noppo no furudokei
    C (x32010@1)    G7 (320001@1)COjiisan (x32010@1)no tokei
     C (x32010@1)     G7 (320001@1)  C (x32010@1)  F (133211@1)    C (x32010@1)    G7 (320001@1)  CHyakunen (x32010@1)itsumo ugoite ita gojiman no tokei sa
    C (x32010@1)         F (133211@1)    COjiisan (x32010@1)no umareta asa ni
   D7 (xx0212@1)          G7Katte (320001@1)kita tokei sa
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei

CHyakunen (x32010@1)yasumazu ni
Chiku-taku chiku-taku
    COjiisan (x32010@1)to issho ni
Chiku taku chiku taku
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei

C (x32010@1)      G7 (320001@1)   C (x32010@1) FNandemo (133211@1)shitteru furudokei
    C (x32010@1)    G7 (320001@1)COjiisan (x32010@1)no tokei
    C (x32010@1)    G7 (320001@1)   C (x32010@1)     FKirei (133211@1)na hanayome yatte kita
     C (x32010@1)    G7 (320001@1) CSono (x32010@1)hi mo ugoiteta
   C (x32010@1)       F (133211@1)    CUreshii (x32010@1)koto mo kanashii koto mo
     D7 (xx0212@1)           G7Mina (320001@1)shitteru tokei sa
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei

Oooooo Grandfather's Clock
Tick Tock, Tick Tock
Oooooo Grandfather's Clock
Tick Tock, Tick Tock

C (x32010@1)       G7 (320001@1)   C (x32010@1)       FUreshii (133211@1)koto mo kanashii koto mo
     C (x32010@1)      G7 (320001@1)  CMina (x32010@1)shitteru tokei sa
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7 (320001@1)CIma (x32010@1)wa mou ugokanai sono tokei
  C (x32010@1)    G7 (320001@1)    C (x32010@1)   FMayonaka (133211@1)ni beru ga natta
   C (x32010@1)  G7 (320001@1)   COjiisan (x32010@1)no tokei
 C (x32010@1)    G7 (320001@1)    C (x32010@1)        FOwakare (133211@1)no toki ga kita no o
     C (x32010@1)    G7 (320001@1)   CMina (x32010@1)ni oshieta nosa
     C (x32010@1)      F (133211@1)    CTengoku (x32010@1)eno boru ojiisan
    D7 (xx0212@1)        G7Tokei (320001@1)tomo owakare
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei

CHyakunen (x32010@1)yasumazu ni
Chiku-taku chiku-taku
    COjiisan (x32010@1)to issho ni
Chiku taku chiku taku
Chiku taku chiku taku
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei
 C (x32010@1)   G7 (320001@1)C (x32010@1)    F (133211@1) C (x32010@1)  G7C
Ima wa mou ugokanai sono tokei