Up for sale is a vintage Aqua-Lung PRO U.S. Divers depth gauge
Untested but seems to be in good condition for age, glass has some scratches and other normal wear.
US Patent 3693446

Will ship within two business days, excluding holidays.
Tracking number will be included.
Combined shipping is available.
Shipping via UPS or Canada Post/USPS depending on fastest delivery date offered by courier.

Any questions just ask.