Model: Hamilton RX Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 48 23 146 Frame Materials: Acetate, Titanium, Beta-Titanium Frame Description: This 1950's inspired combination frame is a bold statement of style. Each custom detail is well thought out and perfectly executed. Frame Features: 100% Made In Japan with high quality Japanese componentry. Aerospace Grade Japanese Titanium provides lifetime durability with a featherweight feel. Specific titanium thickness designed to provide the proper fit, while reducing stress to the lens and ensure superior optics. Lens: Any and all prescriptions can be filled at Good See Co. Shipping: Occasionally SALT. frames may have to be special ordered from the manufacturer and will take 1-2 days to arrive before shipping. Warranty: 1 Year Manufacturer Handmade in Japan