Seiko Cal. 6641 - 283

The Seiko 6641-283 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8463d2a63766]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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