Clean, rinse, and dry timepiece parts, using solutions and ultrasonic or mechanical watch-cleaning machines.

Adjust timing regulators, using truing calipers, watch-rate recorders, and tweezers.

Reassemble timepieces, replacing glass faces and batteries, before returning them to customers.

Disassemble timepieces and inspect them for defective, worn, misaligned, or rusty parts, using loupes.

Oil moving parts of timepieces.

Estimate repair costs and timepiece values.

Repair or replace broken, damaged, or worn parts on timepieces, using lathes, drill presses, and hand tools.

Test timepiece accuracy and performance, using meters and other electronic instruments.

Perform regular adjustment and maintenance on timepieces, watch cases, and watch bands.

Order supplies, including replacement parts, for timing instruments.