B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K29/00—Combinations of writing implements with other articles
B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
B43K29/087—Combinations of writing implements with other articles with measuring, computing or indicating devices for indicating time, e.g. with calendars or watches
B43K29/0875—Combinations of writing implements with other articles with measuring, computing or indicating devices for indicating time, e.g. with calendars or watches with calendars