Britix Cal fix in a tudor case ?

[RYM]

I have this vintage chronograph but i don`t know which is the caliber fot this britix watch bevause i want to know if they fix to the tudor case, if someone could help me i leave a photos links.

1)http://i651.photobucket.com/albums/uu234/robmcp22/P1030976.jpg

2)http://i651.photobucket.com/albums/uu234/robmcp22/P1030980.jpg

3)http://i651.photobucket.com/albums/uu234/robmcp22/P1030981.jpg

4)http://i651.photobucket.com/albums/uu234/robmcp22/P1030982.jpg

[alligoat]

The movement is a Landeron, maybe 148 or 248, but definitely Landeron.

Chances of it fitting in a Tudor case would be slim. Tudor used Valjoux movements, V23, 7734, 7750.