Seiko Cal. 6138 - 719

This Spring Drive model from 1973 features a 34mm Gold-Plated case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-9c8c86e4e01b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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