Seiko Cal. 4437 - 331

This Spring Drive model from 1978 features a 44mm Gold-Plated case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-c70e7a8be974]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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