Seiko Cal. 6686 - 398

Seiko 6686-398

The Seiko 6686-398 represents an important milestone in Seiko's 1977 lineup. Powered by the 6686 caliber with 34j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-92a60cb08e20]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1977

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