Perfecta 18''' flat
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18”’ | Hand Wind | Swiss Lever | Small Seconds
- Listing ID: 1536
- Manufacturer / Brand: Perfecta
- Caliber: 18''' flat
- Size in French Lignes: 18'''
- Size range mm largest diameter: > 40 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown with pin/pusher
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Setting Lever Screw/Pin Position: Right
- Balance Position: Left (240 - 360°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Bimetallic screw balance with Breguet hairspring
- Power Reserve: Unknown
- Production Period: Around 1912
- Identification: Listed in the Flume main catalog of 1912.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-45#post-5947096
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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