Seiko Cal. 5666 - 856

This Kinetic model from 1971 features a 36mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-7c0b00916b13]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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