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Sim bal

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About Sim bal

  • Birthday 01/20/1987

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  1. hi all i bought my first automatic watch about 10 years ago ( Ingersoll bison )and apparently it broke only few months after and i was so disappointed that i never used it again . i have a little collection now. its time to fix it myself . i opened the watch and found the stem is broken and i lost the crown which had inside threads and the threads on tube are worn out . yes, my bad perhaps i was careless . i did some measurements and crown is 7mm dia 4.5mm thick with 4.5mm dia internal thread 1.7mm deep of 1 mm pitch and tap size is 9 the tube is plain 2.5 mm od and 2 mm length where it slips into case and 4.5 mm dia threads 2mm length . any resources as to where can i source these parts ? thanks in advance
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