INT 380.001 = FHF 138.001

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8 3/4”’ | Hand Wind | Swiss Lever | Small Seconds

Listing ID: 4960
Manufacturer / Brand: INT / FHF
Caliber: INT 380.001 = FHF 138.001
Size: 8 3/4'''
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: Left
Balance Position: Bottom (120 - 240°)
Shock Protection: Incabloc
Beats per hour: 21,600
Balance Type: Nickel
Power Reserve: Unknown
Production Period: Unknown, probably around 1980
Identification: Marked INT 380001 next to the balance. Listed online at Boley as Durowe 380.001 (Durowe = INT since 1965). Identical to the FHF 138.001, see FHF data sheet from 1981.
External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-3#post-1276565
Country: Switzerland