NT, Charcoal Tachymeter Dial (Second Execution)
Camaro 7220 — NT, Charcoal Tachymeter Dial (Second Execution)
1968–?
Charcoal dial and registers with tachymeter; hands with black inserts, short markers with white inserts.
Identifying details
- Tachymeter scale on dial
Tachymeter track printed on the dial.
Variants of 7220
Reference overview →| Variant | Production |
|---|---|
| S, White Dial (First Execution) | 1968–? |
| N, Charcoal Dial (First Execution) | 1968–? |
| T, White Tachymeter Dial (First Execution) | 1968–? |
| NT, Charcoal Tachymeter Dial (First Execution) | 1968–? |
Case & movement
- Reference
- 7220
- Production
- 1968–?
- Case serials
- c. 167,000–168,999Look up Heuer serial numbers
- Case material
- Stainless steel
- Crystal
- Plastic
- Movement
- Manual winding
- Date
- No
- Caliber
- Valjoux 72
Movement
Valjoux 72
13-ligne hand-wound chronograph with column wheel and horizontal clutch, descended from the 14-ligne Valjoux 22/23. Its 12-hour counter at six set the classic three-register layout. Made 1938–1974 and used by Rolex, Heuer and many others; Rolex fitted it to the pre-Daytona ref. 6234.