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Mappin and Webb pocket watch movement identification


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Hi all. I'm new to watchmaking. I've serviced a few watches for myself and friends after completing Mark's course. I'm working on a Mappinand Webb pocket watch with an English movement. The manufacturer's logo is on the mainplate, but I can't identify it. It looks like a four cornered star set on a square with a star and serpent within the star. See picture attached. Any ideas?703536916_Mappinmovementlogo.thumb.jpg.a2a56eedf6ad5f1ef5aa3cca8a37d5c0.jpg 

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Excellent! Thank you very much Klassiker. I now have to explore why the previous tinkerer has widened both banking pins so they're at an angle. Perhaps to increase lock? These watches have metal contact pieces on the pallet, not jewels. They are the same shape as entry and exit stones mind you; this is not a pin-lever movement. The pallet fork is not strictly a 'fork': the pallets are on the side ( and the escape wheel on the side correspondingly). Anyway I might sound some experts out on this wonderful forum if I can't get satisfactory amplitude. Hello Nucejoe!

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