| Manufacturer | Seagull |
| Caliber Number | TY2542, ST2542 |
| Type | Automatic |
| Lignes | 13.5”’ |
| Diameter | 30.4mm |
| Height | 7.4mm |
| Jewels | 34 |
| Beats per hour | 21,600 vph |
| Power Reserve | ~45 hours |
| Anti-Shock System | Incabloc |
| Lift Angle | Needs confirmed |
| Hand-Windable? | Yes |
| Hacking Seconds? | Yes |
| Functions | Central hours; central minutes; small running seconds subdial at 6:00; power reserve indicator at 12:00 |
| Country of Manufacture | China |
| Known Models | Android aka Aragon Skyguardian, (Add your watch to the comments below…) |
The Seagull caliber TY2542 (aka ST2542) is a 34 jewels automatic watch movement from Tianjin Seagull Watch Industry Group, Ltd (天津海鸥表业集团有限公司). While either caliber number can reference this particular Seagull configuration, it is said that ST movements are from the Tianjin Seagull factory, and TY movements are from the Seagull Hong Kong (HK) factory.
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