Seiko Cal. 3816 - 835

The Seiko 3816-835 represents an important milestone in Seiko's 1981 lineup. Powered by the 3816 caliber with 22j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-76ec1718f68c]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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