Silver-tone stainless steel case, blue leather strap, fixed silver-tone bezel. White dial with luminous black hands and Arabic numeral hour markers, minute markers around the outer rim. Analog dial type, luminous markers and hands. Panerai Calibre OP I hand-wound movement, 17 jewels, 21600 vph, 56-hour power reserve. Scratch-resistant sapphire crystal, screw-down crown, solid case back, cushion shape. 44mm diameter, 15.6mm thickness. 20mm band width, tang clasp. 100-meter / 330-foot water resistance. Hour and minute functions. Suitable for snorkeling and swimming but not diving. Swiss Made. Pre-owned condition.