Citizen FineDevice is the world's largest manufacturer of quartz crystals and oscillators in cylindrical, plastic, metal and ceramic packages.

• CITIZEN CL-E321
• CITIZEN CL-S6621
• CITIZEN CT-S257
• CITIZEN CT-S4500
• CITIZEN CT-E351
• CITIZEN CL-E300
• CITIZEN CL-E303
• CITIZEN CT-S251
• CITIZEN CT-S310 II
• CITIZEN CL-S400DT
• CITIZEN CT-S601
• CITIZEN CT-S651
• CITIZEN CT-S801
• CITIZEN CT-S851
• CITIZEN CL-E720
• CITIZEN CL-E730
• CITIZEN CL-E720DT
• CITIZEN CL-E321EX
• CITIZEN CT-E601
• CITIZEN CT-D101