Seiko Cal. 3821 - 642

The Seiko 3821-642 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-b006cfa0fe7b]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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