Seiko Cal. 5664 - 401

The Seiko 5664-401 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-65b28c6f9eb4]

Also known as: Samurai, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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