Seiko Cal. 5691 - 558

This Quartz model from 1977 features a 44mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-cd388c8dfe2f]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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