- 1). Disassemble the watch in order to reveal the micrometer regulator. You must use a very small screwdriver set designed for watch repairs to complete this task. The watch’s regulator is marked by a large letter “F” and a letter “S” for fast and slow.
- 2). Insert the tip of a flat-head screwdriver into the small screw at the base of the micrometer regulator.
- 3). Turn the screw carefully until the line on the screw is perfectly in line between the letters “F” and “S” on the regulator.
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