The watches allow data storage for names and telephone numbers, memos, and in late editions, email addresses; in addition to usually providing a calculator as well as the standard features of a digital watch.
The personal organizers allowed storage of names, telephones and fax numbers, memos and includes a "secret" storage area for memos which required a password to access.
It is one of the first digital watches developed in the 1980s that allows the user to store information, following a Pulsar model released in 1982.
[1] Over the years, watches in the Data Bank line gained a variety of features, some of which were world firsts, starting with the schedule and world time (introduced on the DBC-62), phone dialler (DBA-80/800 and DBA-100/900), an electroluminescent backlight, luminous keypads, touch screen (VDB-1000 and VDB-200), voice recording capabilities (DBV-30/300 and DBC-V50/150) and atomic time reception functions (DBC-W150, FKT-2000 and FKT-300) in addition to data storage capabilities.
Data bank models have many unique features and are highly sought after by watch collectors.