Ultra rare and all-original Tissot PR516 Sonorous men's watch with alarm function. Rare Tissot with a hand-wound movement calibre AS1931 with date function. Runs well and the alarm is in proper working order. The alarm must be wound like the movement and the top crown is used to set the alarm. Pull out to activate the alarm function. In good condition. The case has very little sign of wear. The plating is not worn out. The steel lid has holes to allow the alarm sound to be heard. Beautiful original dial, in perfect condition. The ring is not movable and has sustained some damage. Please examine the last photo. Both crowns are signed and original. Case diameter: 36 mm (excluding crown). Original Tissot strap and buckle included. Movement: hand-wound Calibre: Tissot 2120 Base calibre: AS 1931 Power reserve: 50 h Number of jewels: 17 Frequency: 21,600 A/h Case material: steel Case diameter: 36 x 44 mm Case thickness: 12 mm Bezel material: steel Crystal: glass Dial: gold Dial numerals: no numerals Strap: Strap material: calf skin leather Strap colour: black Clasp type: buckle Clasp material: steel Complications: Chiming clock, date Others: Central seconds hand, luminescent hands