Seiko Cal. 3817 - 812

The Seiko 3817-812 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7ed11e6793ec]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1994

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