I have this used black Citizen
AT4007-54E Men's Eco-Drive Perpetual Calendar Chronograph Watch for sale. Comes with all original paperwork and has been fully serviced by Citizen UK 6. 1. 26, with certificate of proof of work by them.
The Citizen £150 service includes new glass, new battery, pushers, fully serviced and with a one year Citizen guarantee.
There are signs of wear on the bracelet clasp , but nothing major. Comes with original spare links too.
This is a lovely classic Citizen, which should give you accurate timekeeping for years to come thanks to its synching with the atomic clock, I’m only selling because it’s not in my watch rotation anymore.