1960's Hamilton Panda Dial Chronograph

1960's Hamilton Chronograph Reference 7730 with Panda Dial  Time and 30 Minute Chronograph  Manual Wind Valjoux 7730 (Hamilton Caliber 643) Original Tritium Dial and Re-lumed Hands White Dial with Black Sub Dials  36mm Case excluding the crown 41.75mm Lug to Lug  12mm thickness with dome acrylic crystal Scratches to Tachymeter Ring on the Dial Strong Stainless Steel Case  No box or papers   About the Watch: This 1960's Hamilton is exemplifies the era with a patinated white dial and striking black "panda" sub dials. The 7730 Valjoux movement has a 30 minute chronograph function which starts, stops, and resets beautifully. The crown is unsigned which is correct for this model. Solid stainless steel case is thick and original bevels are visible. The case has likely seen a polish at some point in the past. The exterior of the dial near the rehaut has some damage likely due to water or lack of a crystal at some point. The tachymeter is blurred and smudged at some points. There is also