Seiko Cal. 4524 - 188

This Spring Drive model from 1991 features a 45mm Two-Tone case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ec94bbcba449]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1991

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