Citizen Acqualand I - Professional Divers's Watch ISO 6425 Certified
Iconic 1970s watch, this Citizen Aqualand 1 is the exact same model that made the history of Cotizen and professional diving watches in general.
FUNCTIONS
Time (hours, minutes and seconds, AM / PM), complete calendar, alarm, 1/100 sec. Chronograph, with partial time detection. Acquisition of diving data and relative storage. Dive alarms. Battery charge control. Depth sensor.
MOVEMENT
Quartz, cal. C520, analog-digital with sensor.
CHARACTERISTICS
Steel case, soft polyurethane strap. High visibility indexes and spheres. Screw-down back and crown. Unidirectional rotating knurled bezel. Mineral glass. WR 20 bar.
RELEVANT DIVE DATA
Month and day of diving, number of dives (from 1 to 4). Maximum depth reached (from 1 to 80 meters) in 10 cm increments. Duration of immersion. Dive start time (hour, minutes), dive end time (hour, minutes). All data is stored and the data relating to the last 4 dives can be recalled.
DIVE ALARMS
Depth alarm, dive duration alarm, rapid ascent alarm, abnormal depth alarm. Low battery warning. Dive chime control function.
DIMENSIONS
Case diameter 44 mm