- Brand: Vacheron & Constantin
- Circa: 1930
- Model: Cocktail watch
- Reference: 3011
- Calibre: N/A
- Movement: Manual
- Material: Platinum
- Features/complications: ''Bow' shaped diamond set case
- Dial: Off-white dial with black printed outer minute track featuring Roman numeral hour indices with blue ring shaped hour and minute hands
- Case dimensions: 30 mm
- Bracelet/strap: Silk moiré
- Accessories: N/A
- Web reference: 8127
Essay: TBA