Seiko Cal. 0778 - 177

This Spring Drive model from 1986 features a 34mm Gold-Plated case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-5be111f70aaa]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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