44018

Slightly smaller than its round-cased older brother Ref 44018 with caliber 1121, the Ref 46004 housed the same 1124 movement as the midsize round 222. Also distinct, the case back was secured with four screws rather than the screw-down back of its round s

Picture courtesy of IFL Watches

....with the Vacheron 222 "Jumbo" or, properly named: reference 44018 / 411 with a Vacheron 1121 movement inside (based on JLC 920). The watch was produced from 1977 - 1981. The "Jumbo" all-steel-version was produced 500 times with case numbers 52'20'00 t