Seiko Cal. 7155 - 579

This Hand-Winding model from 1981 features a 43mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-b43ede6b3f39]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1981

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