Perpetual Chrono A.T

With a passion for speed and accuracy the re-imagined Citizen Perpetual Chrono A-T features radio-controlled atomic clock synchronisation for superior accuracy in 24 time zones. Additional features include a chronograph, perpetual calendar, dual time and power reserve indicator. Styled in a two-tone stainless steel case and bracelet and black dial for a sleek, sophisticated look. Featuring Eco-Drive technology, powered by light, any light and never needs a battery.

• Movement

Energy: Eco‑Drive (light‑powered — never needs a battery)

Movement: Eco‑Drive quartz (Caliber E660)

Functions: Atomic timekeeping (synchronised to radio signals in 24 time zones), 1‑second chronograph (up to 60 minutes), Perpetual calendar, 12/24‑hour time, Alarm, Power reserve indicator, Day/Date

• Dial

Dial: Chronograph sub‑dials

Dial colour: Black with gold‑tone accents

Luminous hands & markers: Yes

Crystal: Anti‑reflective sapphire crystal

• Exterior 

Band: Two‑tone stainless steel bracelet

Clasp: Fold‑over clasp with hidden push buttons

Case shape: Round

Case material: Two‑tone stainless steel (silver + gold‑tone)

Case size (mm): 42.0

Bezel: Fixed

Water resistance: 20 bar (200 m — swimming, marine sports)

Weight: ~174 g