Seiko Cal. 5641 - 749

This Spring Drive model from 1983 features a 44mm Two-Tone case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-ff8c4eab805e]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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