Seiko Cal. 5641 - 109

This Solar model from 1966 features a 44mm Two-Tone case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-45d13859b428]

Also known as: UFO, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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