Seiko Cal. 6647 - 103

The Seiko 6647-103 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5957c8f4c7fa]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1985

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