Still clearing out some stuff, and I discovered this cool Aquamatic, which I never wore. I don't believe the previous owner did either, and the watch remains NOS. Ref. CA301030SSBK. Excellent condition, no marks anywhere. On full length bracelet. Comes with box and papers.

Specs:

Case: 40mm, all stainless steel.
Lug width: 20mm
Crown: Screw down, signed with 'C' logo.
Bezel: Fixed.
Water resistance:10 ATM, 330ft.
Movement: Automatic Miyota 8215

Price includes PayPal and shipping in the U.S. PM or steve.oliverio(at)gmail.com if interested.