Grand Seiko SBGK007G - Mechanical manual winding - White and Black

Caliber 9S63

"Manual winding with a small second hand"

Caliber 9S63 offers a small second hand at the nine o'clock position and a power reserve indicator at the three o'clock position.
This timepiece has an accuracy of (+5 to -3 seconds per day) and a normal operating accuracy of +10 to -1 seconds per day. In addition, this watch has a power reserve of 72 hours.