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| Brand | Grand Seiko |
| Caliber Number | 8R28 |
| Movement Type | Automatic |
| Jewels | 34 |
| Power Reserve | 45 hours |
| Vibrations Per Hour | 28,800 |
| Functions | Chronograph, date, small seconds, 30 minutes counter, 12 hours counter |
| Country of Manufacture | Japan |
| Known Models | SRQ011 |
Seiko caliber 8R28 found in an Ananta model SRQ011. This automatic chronograph movement has 34 jewels, power reserve of 45+ hours, consists of 292 parts, and beats at 28,800 vph. It has a column wheel and vertical clutch. Made in Japan.
