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You are here: Home / Movements / Seiko 6890

Seiko 6890

Last Update: February 18, 2020

Brand:Credor, Seiko
Family:
Seiko 68 Family
Height:
Jewels:22
Reserve:37 hours
Frequency:21,600 A/h
Winding:Hand winding
Diameter:25.60 mm (11.5 ligne)
© Seiko  Complications:
Hands:Central Hour Hand, Central Minute Hand
Distinguishing Technical Characteristics
Hand-Winding
Clockwise Balance Cock
Balance
Balance at 3:00
Barrel at 10:30
Production: 2009 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. 6890 is an ultra-thin hand-winding two-handed movement produced by Seiko for Credor since 2009. Although derived from the 1969 Cal. 68A, Cal. 6890 and other recent movements in the Cal. 68 family (Cal. 6898, 6899, and 6830) are quite different in design and execution. Notably, the balance wheel is moved opposite the winding crown thanks to the round rather than squared-off shape of the movement, and the bridges are redesigned for more graceful appearance.

Seiko 68 Family

CalibreProductionJewelsModelsNotes
68A1969-197226
68101973-1978
1991-1998
22HDF/HTB/ATB/CDF
SCVL
Tonneau shape
68302016-current22GBCCCredor tourbillon
68701993-current22GBAQ/GCAQCredor tonneau
68902009-current22GBBYCredor
68982005-current26GBBE/GCBECredor small seconds
68991996-current26GBBDCredor skeleton
Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.

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