Seiko Cal. 5664 - 618

The Seiko 5664-618 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-41db0b9ea80d]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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