Seiko Cal. 3820 - 665

The Seiko 3820-665 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-74c28e99eb1c]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1974

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