caliber specific - BoleyMovement holder caliber specific made of metal with base Ø 31mm, pusher for function control and support screw, suitable for the hand fitting presses of Boley and Bergeon. Swiss-Made. Productsmovement holder namesizecalibresupport screwpusheritem No.movement holder10 1/2ETA 700120511683movement holder namesizecalibresupport screwpusheritem No.movement holder10 1/2ETA 251.471 / .47242511678movement holder namesizecalibresupport screwpusheritem No.movement holder13 1/4'''ETA 7750 - 777024511680movement holder namesizecalibresupport screwpusheritem No.movement holder16 1/2'''ETA 6497 / 649820511674movement holder namesizecalibresupport screwpusheritem No.movement holder13 1/4'''ETA 251.2xx44511682Support screw namesizecalibresupport screwpusheritem No.Support screwM4 0.60/0.40mmETA 7750 centre seconds511646Support screw namesizecalibresupport screwpusheritem No.Support screwM4 0.90/0.40mmETA 7750 minuten counting511647Support screw namesizecalibresupport screwpusheritem No.Support screwM4 1.80/0.80mmETA 6497 / 6498511648