Internet Horology Club 185
Mainspring Part number for 18 Size 21 Jewel Bunn Special

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December 28, 2011, 11:46
William D. Shie
Mainspring Part number for 18 Size 21 Jewel Bunn Special
Can anyone tell me the part# of this spring? Thanks


Bill
December 28, 2011, 15:45
Bob Murray
Which spring?

Regards,
Bob
December 28, 2011, 17:10
William D. Shie
Sorry, the main spring


Bill
December 28, 2011, 18:53
Bob Murray
Factory part no. is 53, later part no. is 47303. Fits all 18s.

Regards,
Bob
December 28, 2011, 19:57
William D. Shie
Thanks Bob!


Bill