Sea-Gull / Seagull ST1780 / TY2714
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12 1/2”’ | Automatic | Swiss Lever | Small Seconds | Pointer Date | Power Reserve Indicator |
Remarks:
- Automatik with Magic Lever, bidirectional winding
- Small seconds without hacking at 6 H
- Pointer date with small hand at 2 H (correction by pusher at 1 H)
- Power reserve indicator with small hand at 10:30 H
- The Sea-Gull ST17 caliber is a derivative of the ST16
Differences:- Seconds hacking only on the ST16
- In the ST17, the fourth wheel is located at 6 H in order to be able to realize a small second; in the ST16, the escape wheel is located there
- The ST1780 is part of a very large family of movements:
- ST1700: manual winding, central hour, central minute, small seconds at 6 H
- ST1701: Automatic, central hour, central minute, small seconds at 6 H
- ST1711: Automatic, hour display with small hand at 12 H, central minute, small seconds
- ST1718: Automatic, central hour, central minute, small seconds at 6 H, Pointer date with small hand at 2 H, Power reserve indicator with small hand at 10:30 H
- ST1721: Automatic, jumping hour at 12 H, central minute, small seconds
- ST1731: Automatic, central hour, central minute, small seconds at 6 H, date
- ST1741: Automatic, central hour, central minute, small seconds at 6 H, large date
- ST1780: Automatic, central hour, central minute, small seconds at 6 H, date display with small hand, power reserve indicator
- Listing ID: 4059
- Manufacturer / Brand: Sea-Gull / Seagull
- Caliber: ST1780 / TY2714
- Size in French Lignes: 12 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Automatic
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: Date
- Other Functions: Power Reserver Indicator
- Jewels: 28
- Setting Lever Screw/Pin Position: Left
- Balance Position: Bottom (120 - 240°)
- Shock Protection: Similar to Incabloc
- Beats per hour: 21,600
- Balance Type: Glucydur
- Power Reserve: 42 hours
- Production Period: Unknown, probably around 2013
- Identification: Information from the seller of the watch. Listed in a Sea-Gull catalog from 2013.
- Country: China
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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