Ensures that materials of the correct quality are used. Controls the quality standard of the finished products by measurement and laboratory test and supervises final inspection.

Perform to eye examination, prescription of spectacles and contact lenses. A qualified optometrist should meet the following requirements:
1. optometry schools / colleges / departments of academic institutions / universities as prescribed in Section 4 of the Optometrists (Registration and Disciplinary Procedure) Regulation; and
2. those included in the list of non-local academic institutions awarding optometry qualifications generally accepted by the Optometrists Board for registration under section 12(1)(b) of the Supplementary Medical Professions Ordinance as provided under section D, Appendix IV to the "Guide to Applicants"

Formulates corporate strategy and development plans for technical support and research of Watch and Clock/ eyewear. Develops, directs and implements related research and development (R&D) activities. Originates new products in accordance with customer needs. Selects appropriate design and applies technology for new products or existing products for improvements. Develops and implements methods and procedures for monitoring projects such as the preparation of records of expenditures, research findings, and progress reports, etc.

Selects gemstones including jade and diamond, and to classify them into groups according to their size, weight and colour.

Sells . Provides customer service, and/or operates cash register in retail store. Typically has less sales experiences. (If companies do not have their own system of classification, sales staff having less than 5 years of relevant experience in the industry will be classified as sales / sales trainee.)

Plans and executes production systems for goldsmithing, precious stone setting, casting and finishing plant. Takes charge of production, manages and directs the production department personnel to maintain quality and productivity and minimizes manpower and raw material wastage in all production processes.

Analyses the latest trends of timepieces/optical products designs. Keeps abreast with developments in production and manages all phases of design and development cycles. Originates and develops ideas to design, create, modify and arrange the form of timepieces/optical products, layouts and containers for the products based on factors such as the concepts, market and pricing attributes, client specifications, the balance of quality and cost of production to achieve aesthetically pleasing and functional effect for the products.