Genuine Omega® 540 balance staff, part 1321, fits Piaget® 12P, Piaget® 9 P (see all calibres in description)
Genuine Omega® 540 balance staff, part number 1321, fits Piaget® 12 P, Piaget® 12 P 1, Piaget® 12 PC, Piaget® 12 PC 1, Piaget® 9 P * H....
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