![HAMILTON JAZZMASTER POWER RESERVE 42mm H32635521 Opaline](https://askme.watch/sites/default/files/styles/watch_full_content/public/watch/images/h32635521.png?itok=CdtyBFc6)
![HAMILTON JAZZMASTER POWER RESERVE 42mm H32635521 Opaline](https://askme.watch/sites/default/files/styles/watch_full_content/public/watch/images/h32635521.png?itok=CdtyBFc6)
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Date
Power Reserve Indicator
The date is a small window on the dial which indicates the day of the month (between 1 and 31).
The power reserve indicator tells you the time the watch will continue to function. It can either be seen on hand winding or automatic watches.