Seiko Cal. 6155 - 318

This Hand-Winding model from 1981 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7234b11cef90]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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