Seiko Cal. 5664 - 338

The Seiko 5664-338 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-49db70ad0433]

Also known as: Samurai, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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