Seiko Cal. 0742 - 539

The Seiko 0742-539 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-fbfeb9bc4504]

Also known as: Monster, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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