Seiko Cal. 4521 - 607

This Spring Drive model from 1991 features a 43mm Two-Tone case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8bec8ff269c8]

Also known as: Samurai, Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1991

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