Seiko Cal. 3816 - 327

The Seiko 3816-327 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-d6d943365532]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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