Seiko Cal. 7139 - 890

The Seiko 7139-890 represents an important milestone in Seiko's 1981 lineup. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-2f1cc0826551]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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