Seiko Cal. 5647 - 105

This Spring Drive model from 1988 features a 41mm Gold-Plated case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f182fe75dc17]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

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