Seiko Cal. 5663 - 131

This Solar model from 1967 features a 40mm Two-Tone case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-92745b87ca69]

Also known as: Silverwave, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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