Seiko Cal. 4412 - 420

The Seiko 4412-420 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-f8a0a764708f]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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