Seiko Cal. 4521 - 544

This Quartz model from 1974 features a 41mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-532daf6b6467]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1974

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