TOPHILL 300m Diving Sports Watch Sapphire Mirror Waterproof Super Luminous 43.5mm Dial Automatic Mechanical Men's Wristwatch

Watch Crown Operation Instructions:

1，The crown is in the initial A position, Rotate the crown counterclockwise, Unlock the crown. Rotate the crown clockwise to store energy. （Tips Press the crown towards the dial and rotate it clockwise at the same time. The crown can be locked and waterproof. ）
2，Pull out one grid of the crown outward to position Adjust the calendar.
3，Pull out the second grid outward to position C, Adjust the hour and minute hands.