Across
- 4. Adjustment of the date only every year
- 5. What is the term for battery operated timepiece
- 6. What is the word that means to write time
- 7. helium is in the diving bell and can enter the watch case when the bell is under pressure
- 8. If I client is allergic to nickel what is the one material you should not recommend
- 9. What gives you a more stable rate
Down
- 1. It's an advantage of the Si14 hairspring
- 2. What part of the movement is responsible for the energy distribution
- 3. This measures average speed