Seiko Cal. 5664 - 347

The Seiko 5664-347 represents an important milestone in Seiko's 1984 lineup. It features a Cream dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-92ccafce8a5c]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1984

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