• How does the Light Level Indicator work? plus icon minus icon
  • CITIZEN invented the world’ s first* Light-Level Indicator for analogue watches. It detects the intensity of light striking the dial and displays the electricity generation level at the moment, al... See more
  • How does the Power Saving function work? plus icon minus icon
  • When an Eco-Drive watch with this feature is left in the dark, the hands stop in order to save energy. Once light hits the watch, the hands move quickly and automatically to catch up to display th... See more
  • How does the alarm function work? plus icon minus icon
  • An independent alarm hand, connected to a notched cam underneath the dial, is set to any time in a 12-hour period. When the desired time is met, the cam activates a lever, releasing energy fr... See more
  • How does a chronograph watch work? plus icon minus icon
  • Chronograph watches record time with great accuracy. To obtain the setting instructions specific to your watch, you will need to provide the Movement Calibre on your watch case back. The movement ... See more
  • How does my tachymeter work? plus icon minus icon
  • The most common use of a tachymeter is for measuring the approximate speed of a vehicle over a known distance. Based on how many seconds it takes a vehicle to travel 1km or 1 mile (the available m... See more
  • How do I turn off the alarm? plus icon minus icon
  • There are different procedures to turning off the alarm, depending on your model.   To obtain the instruction manual specific to your watch, enter the Calibre Number into the field.   The Calibre... See more
  • How do I turn off BST (British Summer Time)? plus icon minus icon
  • Daylight-Saving Time rules will vary depending on the country or region within a country. When the watch receives a successful radio signal, the Daylight-Saving Time setting is automatically updat... See more
  • What is Eco-Drive? plus icon minus icon
  • In 1976, we invented the world’s first light-powered analogue quartz watch that runs using only light as a power source. Watches Powered by Light Eco-Drive is designed to convert both natural and ... See more
  • I have recharged my watch but why is the second hand still jumping? plus icon minus icon
  • When an Eco-Drive watch reaches low or no charge, a full recharge will be required.   If your watch is jumping every two seconds, this is a good indication that your watch is low or out of charge. ... See more
  • How do I charge my eco-drive watch? plus icon minus icon
  • To perform a full recharge on your watch, pull the crown out 2 x clicks and leave to charge in direct light for 4 - 5 days. Natural or artificial light is efficient to recharge.  We would advise pe... See more
  • How do I find out if my watch is water resistance? plus icon minus icon
  • If you know your model number, go to www.citizenwatch.co.uk and search or browse for your model. When you are on the product page, the water resistance is listed at the bottom of the "details" sect... See more