Seiko Cal. 4437 - 590

The 4437-590 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-2ba43c49c297]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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