Seiko Cal. 5242 - 740

This Spring Drive model from 1980 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-ff431c4389f6]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1980

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