Well this dud one still has 'TOP' but is electronic
Likely because the restoration pedants like to see something looking original but with modern innards, so the old style case is used. I vaguely recall conversion kits being available.
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone