Longines 13"' to 21"' Swiss (pocket) watch movement part - choose

Manufacture Swiss. 13.31 Balance staff Ronda 898. 13.32 13.97 13.98 Balance staff Ronda 903. 13ZN chrono Balance staff Ronda 900. 13.56 13.67 Balance staff Ronda 902. 30L Balance staff Ronda 5076. 14.26 Balance staff.

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