could be following reason
1, you did not put case back correctly,
2, small spring which connect watch movement from caseback for chime lost during battery change ,
3, may be required reset of AC & Battery plus ,, by twizer
hope this help
From:
AmFix Jewelry & Watch Repair
203 N. LaSalle st
Chicago, IL 60601
Ph: 312 641 7000
email:
[email protected]
web:
www.goamfix.com
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