Gruen UV 390 (Ultra-Verythin)

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16”’ | Hand Wind | Swiss Lever | Small Seconds

Listing ID: 1319
Manufacturer / Brand: Gruen
Caliber: UV 390 (Ultra-Verythin)
Size: 16''', Height 3.55 mm
Shape: Round
Winding: Manual (Crown)
Hand Setting: Crown
Seconds Hand: Small seconds
Escapement: Lever (Swiss, English, Glashütte)
Date & Day: None
Jewels: 17
Setting Lever Screw/Pin Position: Right
Balance Position: Right (0 - 120°)
Shock Protection: None
Beats per hour: 18,000
Balance Type: Bimetallic screw balance with Breguet hairspring
Power Reserve: Unknown
Production Period: Unknown
Identification: Plate marked UV. Listed in the 1950 Paulson as Gruen UV 390 and in the 1961 BestFit #111 catalog as Gruen 390.
External Link: http://Plate%20marked%20UV.%20Listed%20in%20the%201950%20Paulson%20as%20Gruen%20UV%20390%20and%20in%20the%201961%20BestFit%20#111%20catalog%20as%20Gruen%20390.
Country: U. S. A. / Switzerland