Seiko Cal. 0763 - 577

This Spring Drive model from 1976 features a 35mm Gold-Plated case. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-e73a368f24f2]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1976

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