SLA stands for Service Level Agreement. In details, It is contractual service commitment. An SLA is a document that describes the minimum performance criteria a provider promises to meet while delivering a service. It typically also sets out the remedial action and any penalties that will take effect if performance falls below the promised standard.
Because Invicta Watch Group has outsourced some of the parts of the Invicta watch, some are confused about who makes the watch and where they are made. A common question is: Before 1991, the watch was made in Switzerland by the Picard family.
The Caliber 89 is the most complicated watch that Patek Philippe has ever created. The manufacture presented it in 1989 as it celebrated its 150th anniversary. The watch from initial drawings and plans to the final piece took 9 years to develop and manufacture.