Seiko Cal. 4437 - 667

The Seiko 4437-667 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-bfc55809bd02]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1980

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