Seiko Cal. 6669 - 400

The Seiko 6669-400 represents an important milestone in Seiko's 1987 lineup. Powered by the 6669 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-33424bdf453a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1987

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