- Brand: Vacheron & Constantin
- Made: 1953
- Model: Chronomètre Royal
- Reference: 4538
- Calibre: 12'''1/2
- Movement: Manual
- Material: 18ct rose gold
- Features/complications: Oversized case with flared lugs
- Dial: Off-white pinstripe effect dial with outer minute track featuring applied rose gold mirror polished baton hour indices with Arabic quarters, baton style hands with centre seconds
- Case dimensions: 38 mm
- Bracelet/strap: Leather strap
- Accessories: Extract from the Archives
- Web reference: 1839
Essay: The Vacheron and Constantin, reference 4538 was launched in 1951 featuring an oversized case with flared lugs and applied baton hour indices with Arabic quarters.