Seiko Cal. 7138 - 278

The Seiko 7138-278 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-99289b5be98e]

Also known as: UFO, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1984

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