Generally, they are not interchangeable because the joint structure of the case for a metal band and that for leather one are often different.However, on some models they are interchangeable. So look for your nearest service center on the support page of our web site and consult it.World Wide Service Centerhttp://www.citizenwatch-global.com/support/network/index.html Daily care

It must be replaced with new one.A urethane band may be deteriorated by solvents or moisture in the air. Replace with a new one when it has lost elasticity or become cracked.

When a metal band has been wet with water or sweat, wipe it off immediately using a dry and soft cloth.Otherwise, even a band of stainless steel or gold coating may become rusted, which may lead to a rash on your skin.For heavy soiling, cover the main body of the watch with plastic wrap or something similar, and wash the band with neutral detergent or soapy water and a soft toothbrush.After washing, dry it immediately with soft and a dry cloth.>・Stainless steel band was processed not to get rusted but sweat or dirt may break coating on the surface of the metal and cause rust on it.

When a leather band has been wet with water or sweat, wipe it off immediately using a dry and soft cloth to absorb the moisture, and take care to not rub the band instead. >・When you have a rash on your skin by wearing a leather band, stop wearing it immediately and consult your physician. It is strongly recommend to replace the band with one made of other materials such as metal or urethane.・Do not wear the leather band too tightly. Try to leave enough space between the band and your skin to allow adequate ventilation.・Staining a leather band with substances containing volatile materials, bleach, alcohol may cause discoloration and/or deterioration. Take care.・Leather bands are made of natural material and will be worn, deformed and discolored over time. Replace it periodically.

Wash the band with water and dry it with a cloth.>・A urethane band may be stained by dyes present in or on clothing or other accessories. Since these stains may not be removable, avoid wearing your watch with clothing, purses, etc. that tend to transfer color easily.・A urethane band may be deteriorated by solvents or moisture in the air. Replace with a new one when it has lost elasticity or become cracked.