Seiko Cal. 5661 - 897

This Spring Drive model from 1965 features a 34mm Gold-Plated case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7988a574a648]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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