This is the original movement for the Seiko Mechanical 6R15 D watches - U6R1522 D

This clockwork comes with the plastic spacer / ring, which holds the movement, as shown on the pictures.

This is movement is also often used for the SKX007 with case no. 7S26-0020.

This movement fits among other's the following case numbers:

6R15-01F0, 6R15-01G0, 6R15-01H0, 6R15-01K0, 6R15-01L0, 6R15-02C0, 6R15-02D0, 6R15-00G0, 6R15-01D0, 6R15-02B0, 6R15-02E0, 6R15-02X0, 6R15-02T0, 6R15-03F0, 6R15-03G0, 6R15-03H0, 6R15-03J0, 6R15-03G0, 6R15-03W0, 6R15-04C0, 6R15-02S0, 6R15-03X0, 6R15-03Y0, 6R15-04B0, 6R15-04G0, 6R15-04D0, 7S26-0020, 7S26-0028, 7S26-0029

Related models:

SARB047, SARB059, SARB048, SARB049, SARB053, SARB057, SARB061, SARB077, SARB075, SARB063, SBDC001, SBDC003, SBDC005, SBDC007, SBDC009, SBDC017, SBDC019, SBDC023, SBDC025, SBDC027, SBDC029, SBDC031, SBDC033, SBDC037, SBDC039, SBDC041, SBDC043, SBDC047, SBDC049, SBDC051, SBDC057, SPB029, SPB031, SPB051, SPB053, SPB055, SPB057, SPB071, SPB077, SPB079, SPB081, SZSC004, SZSC005

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