ETERNA•MATIC, ANNI ‘50

ETERNA•MATIC, 50S
Three-body circular stainless steel case, signed, sloped bezel, over-hanging and pointed lugs, screwed caseback. Not original strap and buckle.
Grey bitonal dial, signed, luminescent Roman numerals and rhomboidal indexes on silvered hours ring, minute divisions and 1/5th of seconds fraction. Luminescent bâton hands, centered seconds.
Self-winding movement, nickel-plated caliber 12.49TC, signed, n. 3584410, lever escapement, monometallic balance, blued flat hairspring, shock-absorber.
Diameter Ø: 35 mm
Note: working.