Help with dating insert

[mrtoulouse]

Hey all,

Recently acquired this and not really sure what mark it is, or if it is even a Rolex insert - could be a Tudor, I suppose?. Any help identifying would be greatly appreciated :)

Thanks to all.

[1675-David]

looks lika a service insert for a plexi sub

[mrtoulouse]

Originally Posted by 1675-David

looks lika a service insert for a plexi sub

Isn’t the 4 too sharp at the tip for that :)

[suligeo]

Service insert with a vintage mask


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[watchlovr]

1980’s service for plexiglass imo.
Flat 4 is a giveaway