Seiko Cal. 6666 - 431

This Quartz model from 1984 features a 40mm Hardlex-Coated Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-271dfbc937ac]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

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