Seiko Cal. 5240 - 690

The Seiko 5240-690 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-007efddd6758]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

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