Seiko Cal. 6389 - 470

The Seiko 6389-470 represents an important milestone in Seiko's 1968 lineup. Powered by the 6389 caliber with 33j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-393593f5a3a0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

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