Seiko Cal. 5663 - 140

The Seiko 5663-140 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ea57a8aed1ed]

Also known as: Samurai, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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