Seiko Cal. 4521 - 664

This Quartz model from 1968 features a 45mm Two-Tone case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-8c0f78fa52c8]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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