ETA 505

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8 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

Part of a movement family consisting of eight movements with different bridge shapes: 361, 362, 364, 365, 500, 501, 505, 508
The ETA 361 is already depicted in an ETA advertisement from 1925; the ETA 505 may have already existed around this time

Listing ID: 2680
Manufacturer / Brand: ETA
Caliber: 505
Size: 8 3/4'''
Shape: Round
Winding: Manual (Crown)
Hand Setting: Crown
Seconds Hand: None
Escapement: Lever (Swiss, English, Glashütte)
Date & Day: None
Jewels: 15
Setting Lever Screw/Pin Position: Center
Balance Position: Bottom (120 - 240°)
Shock Protection: None
Beats per hour: 18,000
Balance Type: Monometallic screw balance
Power Reserve: Unknown
Production Period: Unknown
Identification: ETA stamped in oval on dial side. Listed in the Classification Horlogère of 1936.
External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-34#post-4242087
Country: Switzerland