Seiko Cal. 5664 - 761

The Seiko 5664-761 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-64a9aed1bb96]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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