Seiko Cal. 4437 - 189

The 4437-189 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-3dea5aaa41d4]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1988

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