Citizen Cal 3960 is an analog quartz watch designed to be slim and compact, making it suitable for various occasions. Its quartz crystal oscillator ensures accurate timekeeping, with a monthly variation of only ±15 seconds under normal temperature conditions. The watch operates within an effective temperature range of -10°C to +60°C (14°F to 140°F). It features a bilingual day display and a power-saving switch to extend battery life.