Antique  Calvan  Art Deco Men's Watch, very rare collector watch , Black Dial , Diamond Numeral , Manual wind , 15 jewels , Gold filled case stainless steel back , approximately 32mm x 22 mm case size crown not included in measurement's , approximately 16 mm lug to lug , Pre owned , few sign of wear , few scratches , overall good condition , working smooth , vintage strap on .