Seiko Cal. 7112 - 678

This Hand-Winding model from 1980 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-93f59dee5285]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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