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Do to an unfortunate incident*, I need to replace the lower block and spring on a Tudor (ETA) 1173. 

It's  KIF 2 'Flector' type, with the spring contained on a wire ring.

The lower block (dessous - why do the French have such similar words for upper and lower !) is ref 2-42, spring 2-3/73

Cousins lists the spring, but says it is discontinued. 

For lower blocks, they sell complete units. I'm guessing the reference numbers are spring type.bloc.pivot, so I need 2.42.9 - not listed.

EDIT Has anyone managed to fit the wire and spring to the bloc? - it looks fiddly.

Finding these parts is proving difficult 

 

 

image.png.9310dd8d3271acbf1246e539dcb8efbf.pngimage.png.d3f4b4577d4b3b6a78e685f09b388a4e.png

 

* Trying to remove a broken dial screw, I set the mainplate sitting vertically in a thin depth of alum solution. I put some grease then a blob of rodico over the jewel, thinking it would be enough protection.  It seems that capillary action caused the fluid to rise, and the when I removed it - no sign of the wire or spring 🫣. D'oh

 

Edited by mikepilk
typo

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