Seiko Cal. 4471 - 228

The Seiko 4471-228 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-e0ff5733fd7d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

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