Seiko Cal. 3828 - 504

This Spring Drive model from 1966 features a 35mm Two-Tone case. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-c69ddecee017]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1966

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