Seiko Cal. 3817 - 412

The Seiko 3817-412 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-bd2dd15f73bd]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

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