Seiko Cal. 4540 - 923

This Quartz model from 1973 features a 45mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-4f3da8d5155a]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1973

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