Seiko Cal. 5641 - 616

This Solar model from 1967 features a 35mm Two-Tone case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-8dfe2988fc6c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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