Seiko Cal. 4429 - 284

This Spring Drive model from 1987 features a 41mm Two-Tone case. With its 21mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-6bbc09f340e6]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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