Police are appealing for information on the whereabouts of Mr Seah Seng Kah.
Mr Seah, 75, was last seen at Bukit Batok Home for the Aged at no.11 Bukit Batok West Ave 2 on July 21 at around 8.25pm.
He is 1.64m tall, tanned and has a slim build. He also has a hunched left shoulder.
He was last seen wearing a light grey polo shirt with dark grey shorts.
Anyone with information on Mr Seah is requested by the police to call their hotline at 1800-255-0000 or go online at www.police.gov.sg/CrimeStopper.
All information will be kept confidential.