Jewellery was taken from Paradise Jewellery on Furtherwick Road at around 2.15am today (Monday 9 May).
The 27 year-old is described as white, 5ft 6ins tall, of medium build, with brown eyes, short light-brown hair, and a brown beard.
He also has his left ear pierced and has ‘RJW’ tattoo on the left side of his neck.
If you have any information about a crime or you want to report an incident, you can submit a report online at https://www.essex.police.uk or use the ‘Live Chat’ button to speak to an online operator between 7am-11pm.
Please quote the crime reference number 42/116305/22.
You can also call us on 101 or contact Crimestoppers anonymously on 0800 555 111.