Seiko Cal. 6157 - 331

This Kinetic model from 1977 features a 45mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-e61735db6c9f]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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