Intro
(Image credit: Stowa)
The ETA 6497 and 6498 are handwinding pocketwatch movements from a company called Unitas, now owned by ETA. (See the ETA page for more details and links).
- The 6497 has subseconds opposite the stem
- The 6498 has them 90 degrees offset from the crown, for example see my Stowa
Available in the usual ETA grades, it has been modified by many brands with all sorts of complications, modules and features. For example,
- Central seconds
- Hacking
- Stop seconds
- Moonphase
Specs
- Debut 1950s
- Size 16.5 ligne
- 17 jewels, Incabloc
- Handwinding
- Rate: 18,000 vph
- Power reserve: 40+ hours
- Non-hacking
- Hour, minute, subseconds
Links
- Buy the base version from Otto Frei for $134
- Archimede with top-grade 6498
- My Stowa with a nice 6498
- Variations on the 6498 from Panerai, Omega and Dornbluth.
- ETA teardown pages - highly recommended for in-depth
- More about Unitas
- TickTalk on the movement and why he likes it - it's used for instruction for watchmakers.
