Seiko Cal. 4427 - 318

The Seiko 4427-318 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-bf8bad4953cd]

Also known as: Samurai, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1966

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