Perpetual Chronograph A-T Collection
Citizen Eco-Drive with atomic timekeeping, the Perpetual Chrono A-T. Atomic clock synchronization for superior accuracy in 5 time zones, this perpetual calendar chronograph with alarm also features an anti-reflective sapphire crystal and brown ion plated bezel.
- Synchronized to Atomic Clock for Superior Accuracy
- Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 5 Time Zones (British, Eastern, Central, Mountain and Pacific)
- 1-Second Chronograph Measures up to 60 Minutes
- Perpetual Calendar
- 12/24-Hour Time
- Alarm
- Power Reserve Indicator
- Anti-Reflective Sapphire Crystal
- Day/Date
- Movement: Caliber E650
- Instruction Manual
Diagram of Features

Collection Variations

- Eco-Drive timepiece featuring Atomic Clock synchronization, one-second chronograph measuring up to 60 minutes, perpetual calendar, 12- and 24-hour times, alarm, power reserve indicator, luminosity, and day/date functionality
- 42 mm stainless steel case with antireflective sapphire dial window
- Japanese quartz movement with analog display. Band- Black Stainless Steel Bracelet, fold-over clasp with double push-button
- Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.
- Citizen Eco-Drive technology powered by any light with atomic timekeeping makes this the most accurate watch in the world. This perpetual calendar is radio-controlled in 5 time zones, boasts a 1-second chrono that measures up to 60 minutes, and power reserve. Shown in stainless steel black ion plating with blue & luminous accents under non-reflective sapphire crystal.
- Eco-Drive timepiece featuring Atomic Clock synchronization, one-second chronograph measuring up to 60 minutes, perpetual calendar, 12- and 24-hour times, alarm, power reserve indicator, luminosity, and day/date functionality
- 42 mm stainless steel case with antireflective sapphire dial window
- Japanese quartz movement with analog display. Band- Black Stainless Steel Bracelet, fold-over clasp with double push-button
- Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.
- Citizen Eco-Drive technology powered by any light with atomic timekeeping makes this the most accurate watch in the world. This perpetual calendar is radio-controlled in 5 time zones, boasts a 1-second chrono that measures up to 60 minutes, and power reserve. Shown in stainless steel black ion plating with blue & luminous accents under non-reflective sapphire crystal.