Seiko Cal. 5664 - 174

The Seiko 5664-174 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8e2374f5e381]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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