The Credor 6899 is a manual-winding ultra-thin skeleton movement derived from the Seiko Cal. 68A, introduced in 1969. It measures 25.60mm (11.5 ligne) in diameter and stands just 1.98mm tall, making it one of the thinnest movements of its era. The caliber operates at 21,600 vph with a 37-hour power reserve and contains 26 jewels. Production has been discontinued.
Movement Type
Manual Winding
Jewel Count
26 jewels
Power Reserve
37h
Frequency
21,600 vph (6 Hz)
Diameter
25.6mm
Height
1.98mm
Display Type
Analog
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1969CALIBER FAMILY
Seiko 68xx