Seiko Cal. 4418 - 238

The Seiko 4418-238 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-aa98ee3a44e8]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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