Rare Opera Since 1903 Manual Winding Mechanical Open Heart Glass Back Watch

Rare Opera Since 1903 Luxury Manual Winding Mechanical Open Heart Stainless Steel Black Leather Band Swiss Design Hand Assembled Glass Back Runs Perfect Mint Condition. Opera was the house brand name for watches produced by Opera Diamond Jewellers in Montreal from 1952 to the 1970's. They specialised in high end watches generally using quality swiss movements from a range of manufacturers.