Rare Casio AE-90 Analog Digital watch in excellent condition, released in 1984, it looks like New Old Stock (NOS). Working Module 187, Time & date, dual time, alarm (does not beep although spring is present), stopwatch, timer and light. No marks on the screen, crystal, case, buttons, or bracelet.
Caseback has original sticker "WATER RESISTANT". Original Casio 19mm bracelet B348N. Rated to 50 m water resistant (not tested nor guaranteed).Please ask if you have any questions.