Seiko Cal. 7156 - 563

The Seiko 7156-563 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5f2a7492302b]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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