18th century Amsterdam longcase watch (ca. 1790) Signed by Johannes S. van Geffen, Amsteldam. Oak cabinet, veneered with burr walnut. Foot and torso with chamfered edges, foot double bent. Both with carving and marquetry. Plinth on claw feet. Profiled door with carving. Ornament for the garland window flower basket. Double arched hood with carving and sawing. Next to the dial pilasters and capitals. Arched dial with plated chapter ring in the bar. Edges and center part gilded. Below XII, second hand with date display. Above XII, lunar disk with indication of the quarters and synodic monthly calendar. Above the VI, day indication. In the lower part of the dial is a triptych with painted images. This part of the mechanism is driven by the work going on. Eight-day movement with anchor escapement and seconds pendulum. Dutch half-hourly strike on two bells with saw. With alarm clock function, whose rope is missed. Dimensions: H 266 cm. In good condition.