Selling my Scurfa D1-500 10 Year anniversary BLACK C3. Watch is in overall great condition. Price $525 USD **Case Size:** 40mm by 47.7 by 14.4mm, 20mm strap size **Case Material:** 316L surgical grade stainless steel **Weight:** 100g **Crown:** 7mm screw-down crown with 4 gaskets and the D1 logo **Valve:** Heliox escape valve – tested by Scurfa at different depths and gas mixtures, deepest decompression 154 meters to the surface **Depth Rating:** 500m ~ 1640ft **Crystal:** 4.6mm thick domed sapphire crystal with blue anti-reflective coating on the underside **Lume:** Grade A Super Luminova C3 on the dial, hands, and bezel insert (glows green) **Bezel:** 120 click unidirectional bezel. Fully illuminated black ceramic bezel insert **Movement:** Metal movement holder. Ronda 715SM gold-plated 5 jewel Swiss made movement with longer battery life and an EOL indicator **Dial:** Sunburst black dial with sandblasted hands **Strap Fixing:** Drilled through lugs with strong single shoulder spring bars 20mm X 2mm X 1.2mm **Strap:** Scurfa Watches black rubber strap based on the Italian leather straps seen on a lot of vintage diving watches today