Seiko Cal. 4436 - 837

The Seiko 4436-837 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-19f2b2d660b3]

Also known as: Goldfeather, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

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