<prompt> Light requirement in watch manufacturing company is -2000-3000 Lux5000-10000 Lux10000-20000 Lux50000 Lux  <response>: The recommended illumination IES Codein watch manufacturing company is 2000-3000 lux Rule of thumb is that the illumination must be 30 times higher the level at which ask can be just done. Parks textbook of preventive and social medicine.K Park. Edition 23.page no:741.table2. 