Bi-directional click spring for Seamaster?

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As I no longer use my watch for diving I would like to change the click spring on my Seamaster 2220.80 to a bidirectional one.

I am under the impression that GMT Seamasters like the 2534.50 came with a bidirectional click spring. Would anyone know the part # of that bidirectional clickspring? Given these watches are from the same era I am hoping the clicksprings are interchangeable.

Before anyone asks….I find that bidirectional bezels way more functional on a day to basis for timing things like a steak on the bbq. I made this same change on my Sub and it’s way more useful.

Thanks
 
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You can do a ghetto bidirection bezel clickspring by bending down the edges a little
 
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Wouldn’t a gmt bidirectional bezel only have 24 clicks?

I’ve never actually owned a gmt so maybe I’m wrong here.
 
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You can do a ghetto bidirection bezel clickspring by bending down the edges a little
Would prefer to have a proper clickspring
 
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The click spring should have no effect on number of clicks as bezel is not changing, the back of the bezel and its indents is what determines number of clicks
 
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As I no longer use my watch for diving I would like to change the click spring on my Seamaster 2220.80 to a bidirectional one.

I am under the impression that GMT Seamasters like the 2534.50 came with a bidirectional click spring. Would anyone know the part # of that bidirectional clickspring? Given these watches are from the same era I am hoping the clicksprings are interchangeable.

Before anyone asks….I find that bidirectional bezels way more functional on a day to basis for timing things like a steak on the bbq. I made this same change on my Sub and it’s way more useful.

Thanks
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