Seiko Cal. 5242 - 431

This Quartz model from 1978 features a 37mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-d3943b3c639d]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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