Ask the Rabbi
- Shabbat and Holidays
- Actions and Appliances on Shabbat
- Other Appliances
Question
May a wind-up mechanical chess clock be used on Shabbat if it is fully wound up before Shabbat?
Answer
There is a prohibition to measure on Shabbat if not for Mitzvah purposes. Therefore this chess watch is Muktze as it is used for measuring play time and should not be used on Shabbat.

Shabbat timers
Rabbi Yirmiyohu Kaganoff | Tevet 21, 5769
Automatic watch
Rabbi Daniel Kirsch | Iyyar 23, 5783

Umbrella on Shabbat
Rabbi Eliezer S. Weisz | 10 Shevat 5763




