Seiko Cal. 5242 - 789

The Seiko 5242-789 represents an important milestone in Seiko's 1983 lineup. Powered by the 5242 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-dfc85fbc4965]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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