Seiko Cal. 4492 - 556

The Seiko 4492-556 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-08d136c15d5c]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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