Graham watches are famous for their jumbo-sized lever-actuated pusher (example after the jump). It’s an ergonomically sound, love it or hate it design. Members of the latter camp will be pleased to learn that not all Graham timepieces look like an M61 fragmentation hand grenade. The 42mm Graham Silverstone RS (above) makes do with ginormous trad pushers. Shopworn’s selling the Silverstone for $3,575, down from . . .