Hexagonal Case
Da Vinci Quartz Electronic 3501 — Hexagonal Case
1969–?
Hexagonal case with the Beta 21 quartz movement.
No verified image of this watch yet
Identifying details
No named details recorded yet.
Variants of 3501
Reference overview →| Variant | Production |
|---|---|
| Hexagonal CaseCurrent | 1969–? |
Case & movement
- Reference
- 3501
- Production
- 1969–?
- Movement
- Quartz
- Caliber
- CEH Beta 21
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
CEH Beta 21
The first Swiss quartz wristwatch movement, developed by the Centre Electronique Horloger in Neuchâtel (founded 1962 by about 20 brands including Patek Philippe, Rolex and Omega); accurate to about five seconds a month. Only about 6,000 were made and shared among the members.
Quartz · Introduced 1969 · 13 jewels