Seiko Cal. 4418 - 426

The Seiko 4418-426 represents an important milestone in Seiko's 1982 lineup. Powered by the 4418 caliber with 28j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-73aaf3852b0f]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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