EBERHARD TAZIO NUVOLARI REF. 31030, 90S Case: signed, n....

EBERHARD TAZIO NUVOLARI REF. 31030, 90S
Case: signed, n. B-0539, three-body in stainless steel, caseback with screws and with perlage finishing, commemorative inscription 1892-1992, mph tachymeter bezel, rectangular pushers.
Bracelet/Strap: signed, leather, buckle in stainless steel.
Dial: signed, black, Arabic numerals, minute divisions and 1/5th of seconds fraction, subdials for 30-min and 12-hours registers, tachymeter graduation, bâton hands.
Movement: signed, manual-winding caliber 7750, 17 jewels, nickel-plated, cam switching, monometallic balance with screws, flat hairspring, hack-mechanism.
Accessories: –
Diameter Ø: 39 mm
Note: working.