Sun and Moon Pocket Watch

43mm full plate, fusee and chain, verge escapement, 3-arm flat steel balance with hairspring, Tompion regulator, large English-type pierced and engraved balance cock with small mask and phoenix on top of an urn, galleried Egyptian pillars, set-up regulator between barrel and pillar plate, silver champleve sun and moon dial with subsidiary seconds dial at 6:00 and date aperture at 12:00, engraved Thomas Carter below the sun and moon disc. Plain silver pair cases with square hinge on outer case, watch paper of A. Gysinck, Amsterdam