Seiko Cal. 6364 - 920

The Seiko 6364-920 represents an important milestone in Seiko's 1982 lineup. Powered by the 6364 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-98ba58692e4e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1982

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