Factory 900 RF 170 - BLUE RX (RF 170 COL.407) are round eyeglasses made in Japan. They feature blue acetate frame with a distinctive exposed metal ring, custom nose pads, and acetate temples.

Made in Japan
- Color: blue
- Material: acetate
- Lens: clear
- Shape: round
- Size: eye 45mm / bridge 22mm / temple 150mm