Seiko Caliber 8r28

Seiko Caliber 8R28

Seiko Caliber 8r28

BrandGrand Seiko
Caliber Number8R28, 8R28A
Movement TypeAutomatic
Jewels34
Power Reserve45 hours
Vibrations Per Hour28,800 bph
Parts
292
FunctionsHours, minutes, small seconds at 3:00, central chronograph seconds, 30 minutes counter at 9:00, 12 hours counter at 6:00, date between 4:00 and 5:00
Country of ManufactureJapan
Known ModelsAnanta SRQ011

The Seiko caliber 8R28 is an automatic chronograph movement with 34 jewels, a power reserve of 45+ hours, and beats at 28,800 vph. It has a column wheel and vertical clutch. This movement is entirely made in Japan.

The caliber 8R28 pictured was found in a Seiko Ananta model SRQ011.

Seiko Caliber 8r28 Watch

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