VACHERON & CONSTANTIN CHRONOGRAPH, 40s - VACHERON & CONSTANTIN CHRONOGRAPH, 40S Case: not

VACHERON & CONSTANTIN CHRONOGRAPH, 40s -
VACHERON & CONSTANTIN CHRONOGRAPH, 40S Case: not original, two-body in stainless steel, screwed caseback, round pushers.
Bracelet/Strap: –
Dial: signed, white enamel, Arabic numerals, closed minute divisions and 1/5th of seconds fraction, subdials for seconds and 30-min register, red tachymeter graduation, observatory style hands.
Movement: signed, manual-winding cal. 492, n. 466678, 19 jewels, rhodium-plated, côtes de Genève, monometallic balance with screws adjusted for temperature, Breguet hairspring.
Accessories: –
Diameter Ø: 35 mm
Note: working.