- Brand: Vacheron & Constantin
- Circa: 1938
- Model: Chronograph
- Reference: 4075
- Calibre: 13''' 295
- Movement: Manual
- Material: 18ct yellow gold
- Features/complications: Moveable lugs and chronograph
- Dial: Gold dial with printed outer Telemetric scale register, outer minute track with strokes to 1/5th of a second featuring applied mirror polished hour indices with Roman numerals at 12 and 6 o'clock, subsidiary seconds at 9 o’clock, 45 minute register at 3 o’clock with gold baton hour and minute hands and blued central chronograph hands
- Case dimensions: 33.5 mm
- Bracelet/strap: Leather strap
- Accessories: N/A
- Web reference: 1956
Essay: Vacheron & Constantin first introduced the reference 4075 in 1937 in extremely limited quantities.