11 1/2”’ | Hand Wind | Swiss Lever | Sweeping Seconds

Remarks:

• In 1962, Takano Seimitsu Kogyo Co. became Ricoh Tokei Co. Ltd, the watch division of the Japanese manufacturer Ricoh
• Part of a large family of companies. See Takano – Japanese Watches | Watch movements – A passion (watch-movements.eu)

• Listing ID: 2330
• Manufacturer / Brand: Takano
• Caliber: 521
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 19
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Neutro-Shock
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: From 1959 until probably 1961 (insolvency of the Takano company)
• Country: Japan
• Identification: Wheel train bridge marked Takano and 521. Listed in the book 森年樹: 国産腕時計タカノ・リコー (Domestic Watches: Takano・Ricoh)
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-38#post-5037866
• External Link 2: https://watch-movements.eu/blog/en/2019/11/03/takano-the-phantom-japanese-watch-manufacturer/