Seiko Cal. 4437 - 553

The Seiko 4437-553 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-cf2a22f5e442]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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