The middle dial turns counter clockwise and then it has a release. This is the one with the G symbol. after the release you can pull to two lengths and one is for time the other is for date... hope this helps.....

Your Guess has two button and one winding crown has two pulls,first pull for DAY / DATE,and the second pull for the hour and minute.Just do the first pull then wind it clockwise for DAY and the counter clockwise for DATE. The buttons is for chronograph RESET / STOP and GO thats all the function try to function it it will not damaged your watch. Feel free to ask whatever the result...

Hope this may help;

Regards,
VOTIT
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