Otero 56

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5 3/4 x 8 3/4”’ | Hand Wind | Swiss Lever | No Seconds

Listing ID: 14179
Manufacturer / Brand: Otero
Caliber: 56
Size in French Lignes: 5 3/4 x 8 3/4''' ( 5 1/4''' according to manufacturer)
Size range mm largest diameter: 0 - 22 mm
Shape: Form
Winding: Manual (Crown)
Hands Setting: Crown
Seconds Hand: None
Escapement: Lever (Swiss, English, Glashütte)
Date, Day, Month...: None
Jewels: 17
Shock Protection: OTEX-Trishock
Beats per hour: 18,000
Balance Type: Monometallic screw balance
Power Reserve: Unknown
Production Period: Unknown, probably around 1962
Country: Germany
Identification: Dial side marked with Otero logo and 56. Original datasheet available. Listed in the Flume K2 catalog from 1962.