Caliber 0100 is a quartz movement manufactured by Citizen. It achieves ±1 second per year accuracy using an AT-cut quartz crystal oscillating at 8.4 MHz, making it the most accurate watch movement currently in production. The caliber belongs to Citizen's Eco-Drive Precision family and is produced in-house. Introduced in 2018, it remains in production.
Movement Type
Quartz
Display Type
Analog
BRAND
TYPE
QuartzSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2018CALIBER FAMILY
Eco-Drive Precision