Seiko Cal. 5242 - 774

The Seiko 5242-774 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-665a30be63fb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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