Seiko Cal. 5240 - 291

The Seiko 5240-291 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-56c8f8810da0]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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