Bulova 813-1
1970 –present
Vintage Bulova chronograph, reference 813-1, powered by the manual-wind Valjoux 7733 movement. This Swiss-made piece features a reverse panda dial and a 37.5mm case.
Specifications
Case Diameter 37.5 mm
Case Material stainless steel
Case Shape round
Case Back solid
Dial Color black
Complications chronograph
Movement
Movement Valjoux 7733
Type manual
Power Reserve 45 hours
Frequency 18,000 vph
Jewels 17
Functions hours, minutes, seconds, chronograph