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Posted

Hi Everyone. I hope someone
can help me identify the balance staff I need for this movement. Its a 40mm OD. It is has PROT stamped on the main plate. It has Crown on a plinth and Lion logo with A1 stamped in the crown plinth. The number on the main plate is 1090692.

Many thanks for any consideration.

IMG_Prot_1.thumb.jpg.ae9c07cf32b28eabd3fc07af369b000b.jpgIMG_Prot_2.thumb.jpg.7555836bb5daee0f6c333f31ff97ee91.jpg

Posted

The Philadelphia Watch Case Co had an image trademark of a lion on plinth and a protector (prot?) trademark too. Could be barking up the wrong tree but you could do worse than look around this company's movements.

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