Seiko Cal. 0770 - 583

This Spring Drive model from 1974 features a 44mm Gold-Plated case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-4fbbaf68bb52]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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