Seiko Cal. 6636 - 559

The Seiko 6636-559 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-09eeb859db2d]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

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