Seiko Cal. 4520 - 200

This Quartz model from 1972 features a 44mm Stainless Steel case. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-5e27a19896e2]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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