Seiko Cal. 3816 - 677

The Seiko 3816-677 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-e3300dd1ef78]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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