Do you have a question about the Eterna ETA 251.264 and is the answer not in the manual?
Lists and describes the main parts of the watch face, including hands and indicators.
Lists and describes the chronograph's sub-dials, hands, and push-buttons.
Explains the quartz movement, battery life, and features of the screw-in setting crown.
Details the procedure for setting the watch time using the crown in position C.
Outlines the steps for quickly adjusting the date using the crown in position B.
Describes how to activate the chronograph function using the push-button.
Explains how to halt the chronograph operation using the push-button.
Details how to return the chronograph hands to their zero position.
Covers performing sequential time measurements and resets with the chronograph.