Seiko Cal. 4537 - 506

This Spring Drive model from 1970 features a 44mm Gold-Plated case. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-207c31ae19dd]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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