SMITHS EARLY PRE-HILLARY TYPE WRISTWATCH C 1951 LONGINES The actual caliber designation for

The actual caliber designation for this movement is 0421

The movement is c series

As I Say Elsewhere The 19 Jewel Movement Formed The Basis Of The Famous English 25 Jewel Self Winding Smiths Wristwatch

Case number 5872756

This has now been removed from the visible parts

SMITHS EARLY PRE-HILLARY TYPE WRISTWATCH C 1951 LONGINES The actual caliber designation forAn early Dennison Aquatite cased smiths 12 15 wristwatch. I'm not sure that these are full production, but rather an amalgam of models as a precursor to the more mass produced versions, hence the rather crude font used in the printing of the name on examples of this watch. This model features a solid dustcap, originally intended to be released after the winding stem has been unscrewed, so as not to cause unnecessary damage, but as here usually seen