Seiko Cal. 5664 - 981

The Seiko 5664-981 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-27536e8ba13d]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1992

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