A Daniel de St. Leu very fine large format gold triple cased two train quarter striking watch, for the Turkish market, gilt fullplate movement with a dual fusee two-train verge escapement, finely engraved balance cock. Strikes on the quarter, half-hour and hour. The engraved fullplate signed 'Dan de St Leu watch Ma.r to her Majesty London'. Gilt cap dust cover also signed. The face with white enamel dial, Turkish numerals. The inner pair case finely engraved and pierced to edges and rear. A silence/strike lever in the bezel. The outer pair case rear with trophy and swag decoration. The third case in tortoiseshell with gilt decorative elements. The pair case diameter: 61 mm, the third case diameter: 71 mm. Provenance: Terence Camerer Cuss, London, the collection of Dr Trevor Hyde, Sydney, acquired from the above