A fine late 18th Century Scottish cylinder in silver pair cases. Full plate fire gilt movement with signed and numbered gilt dust cover. Pierced and engraved masked cock with diamond endstone, silver regulator disc. Fusee and chain with worm and wheel barrel setup between the plates. Plain three arm steel balance, blue steel spiral hairspring. Polished steel cylinder, large brass escape wheel. White enamel dial with Roman and Arabic numerals, fine gold hands. Matching silver pair cases, engraved monogram on the back, silver pendant and bow, maker's mark “IL” in a rectangle.