Seiko Cal. 7139 - 819

Released in 1989, the Cal. 7139 with design code 819 was part of Seiko's domestic market collection. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d8bd2ef87a75]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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