Seiko Cal. 6321 - 379

The Seiko 6321-379 represents an important milestone in Seiko's 1970 lineup. Powered by the 6321 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-7fd1deeeab6d]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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