Seiko Cal. 3821 - 442

This Spring Drive model from 1968 features a 35mm Titanium case. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-8b02717b2cb1]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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