Seiko Cal. 4418 - 238

The Seiko 4418-238 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-ea895e7e2a65]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1977

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