Movement Spacer for Tissot Seastar 1000 T120417A Tissot crystal gasket this ceramic bezel insert matches

this ceramic bezel insert matches the bezel profile commonly used on SM300 42mm cases

Seagull ST3600 Manual Winding Movement (9 o'clock secondhand)

S115868 (CA0718-13E)

designed for case builds compatible with the Maurice Lacroix Masterpiece MP6508 series

Movement Spacer for Tissot Seastar 1000 T120417A Tissot crystal gasket this ceramic bezel insert matchesMovement Spacer for Tissot Seastar 1000 T120417A Restore proper movement stability with this replacement movement spacer, designed for watch cases compatible with the Tissot Seastar 1000 T120417A Series. This component helps secure the movement inside the case, ensuring correct alignment of the crown, stem, and dial during normal operation. Manufactured to match the original internal case dimensions and seating profile, the spacer maintains proper