Run the code snippet given below. I could scroll up/down all fields except the HOUR where it gives a beep sound if I tried scrolling it.

% java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b58)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b58, mixed mode)

Code used:
import java.awt.*;
import java.util.*;
import javax.swing.*;

public class spintest extends JFrame {
  JSpinner spin;
  Date todayDate;
  SpinnerDateModel model = new SpinnerDateModel();
  
  public spintest() {
    setSize(150, 70);
    spin = new JSpinner(model);
    todayDate = (Date)model.getValue();
    getContentPane().add(spin);
  }
  
  public static void main(String args[]) {
    spintest s = new spintest();
    s.setVisible(true);
  }
}