Seiko Cal. 6639 - 526

Released in 1972, the Cal. 6639 with design code 526 was part of Seiko's domestic market collection. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1752e0ed8daa]

Also known as: Samurai, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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