Seiko Cal. 7186 - 527

The Seiko 7186-527 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-0f9fb8df1863]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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