Seiko Cal. 5240 - 436

This Spring Drive model from 1969 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-a6648daa9c40]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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