| Manufacturer | Seagull |
| Caliber Number | TY-2809, TY2809, ST1601K3 |
| Movement Type | Automatic, self-winding mechanical |
| Diameter | 31mm |
| Height | 5.18mm thick |
| Jewels | 21 |
| Beats per hour | 21,600 vph |
| Power Reserve | 36 hours |
| Anti-Shock System | Incabloc |
| Hand-Windable? | Yes |
| Hacking Seconds? | Yes |
| Functions | Central hours; central minutes; central sweeping seconds |
| Features | Skeleton dial |
| Country of Manufacture | Made in China |
| Known Models | Android Bioluminesence SD660 (Please add your watch in the comments below…) |
The Seagull caliber TY2809 is an affordable skeleton dial automatic watch movement. It is a 3-hander with 21 jewels, made in China.
There are minimal markings on this caliber. No branding is found, but there is a country of origin and jewel count laser etched on the far outside of the rotor. AAA is also laser etched there.
Watches with this movement:
The example pictured was found in this Android (Aragon) Bioluminescence watch.
Additional Resources:
network of watch sites
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