Seiko Cal. 6636 - 402

The Seiko 6636-402 represents an important milestone in Seiko's 1983 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-003c575d0897]

Also known as: Silverwave, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

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