Seiko Cal. 0766 - 739

This Hand-Winding model from 1973 features a 43mm Hardlex-Coated Steel case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-2922b93d37bc]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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