Seiko Cal. 7138 - 779

Released in 1989, the Cal. 7138 with design code 779 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4986ef9db69f]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1989

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