Seiko Cal. 7139 - 277

This Spring Drive model from 1978 features a 36mm Gold-Plated case. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-8b6413b600ea]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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