3-3/4″ PowerDamp Dial. Traditional Black. Exclusive built-in green NiteVu lighting. Special reinforced bracket with quadrantal correctors. Hardened steel pivot and sapphire jewel movement. 45 Degree lubber lines. Full internal gimbals. Built-in standard compensators and booster magnets on base. Movable sun shield. 100% repairability. Exclusive 5-year Ritchie warranty.