Seiko Seikosha Super
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10 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds
- Listing ID: 11339
- Manufacturer / Brand: Seiko / Seikosha
- Caliber: Super
- Size in French Lignes: 10 1/2''', height 5.0 mm
- 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: 10
- Setting Lever Screw/Pin Position: Right
- Balance Position: Bottom (120 - 240°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: 1950+
- Identification: See https://www.beyondthedial.com/post/seiko-history-daini-suwa-fact-and-fiction/
- External Link 2: https://www.beyondthedial.com/post/seiko-history-daini-suwa-fact-and-fiction/
- Country: Japan
- Contributor ©: Uhrforum.de member buchenhain
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