POSITION B MANUAL WINDING Your YEMA watch is equipped with a self-winding mechanical movement, this means is wound automatically by wrist movements alone. To ensure optimum winding, wear your watch daily. Before you first use the watch or if unworned for a long period of time, you will need to wind it...
Page 5
POSITION C REFERENCE TIME SETTING When travelling, to adjust reference time only (without affecting the local time display), unscrew the (POSITION crown and then pull it out to the first notch Set the reference time using the 24-hour hand that moves in increments of 30 minutes (against the graduations on the bezel) and the minute hand (against the graduations on the dial) by turning the crown clockwise.
RAPID DATE SETTING If your YEMA watch is equipped with a date, to adjust the date, unscrew the crown and pull it out to the first notch. Then simply turn it anti-clockwise until the desired date appears in the window. During this operation, your watch will keep running.
Page 7
LOCAL TIME NEW-YORK, US 04 :10 REFERENCE TIME MORTEAU, FRANCE 10:10...
POSITION D LOCAL TIME SETTING To set the local time, unscrew the crown and then pull it out to POSITION D. The seconds hand is stopped, allowing you to set the time to the precise second. Set the local time by turning the crown in either direction.. The hours and minutes hand move in increments of one hour.
Page 10
LOCAL TIME NEW-YORK, US 04 :10 REFERENCE TIME MORTEAU, FRANCE 10:10 THIRD TIME ZONE TOKYO, JAPAN 18:10...
Page 11
BEZEL THIRD TIME ZONE A third time zone can be displayed by using the rotatable bezel and the 24-hour hand. It is based on the reference time. To display the third time zone, turn the bezel clockwise for a negative time difference or anticlockwise for a positive time difference according to the time difference between the local time (24-hour hand) and the time in the desired time zone.
Page 13
YEMA: • Ensure that the crown is perfectly screwed down after winding up the movement and/or setting the time and the date. Once the crown is fully screwed down against the case, your YEMA watch is guaranteed waterproof.
Page 14
IN-HOUSE CALIBER : YEMA3000 POWER RESERVE: 42 H MODELS : YNAVYGRAF MARINE NATIONALE GMT L.E : YNAV23MN-GRBS...
Page 15
YEMA.COM YEMA WATCHES reserves the right to modify the models illustrated in this publication at any time.
Need help?
Do you have a question about the NAVYGRAF MARINE NATIONALE GMT L.E and is the answer not in the manual?
Questions and answers