Seiko Cal. 7139 - 439

The Seiko 7139-439 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-657f08e1f3c7]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1988

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