A professional who sets up and adjusts staking machines used to assemble clock and watch parts according to blueprints and operation sheets. Responsibilities include:

• Confers with department supervisor and reviews operation sheets to determine parts or assemblies to be processed, assembly specifications, and instructions for machine setup.
• Bolts or screws specified dies into beds of machines according to blueprints, using handtools.
• Operates machines to press or rivet parts together to form sample assemblies.
• Examines and measures sample assemblies for adherence to surface and dimensional specifications, using gauges such as micrometers and calipers, and confers with quality control personnel to gain approval of sample for production.
• Demonstrates operation of machines to production workers and examines work to detect production defects.
• Oils and cleans machines, using oilcans and cloths.