Seiko Cal. 7139 - 863

The Seiko 7139-863 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5f21123e751f]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1982

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