Seiko Cal. 0777 - 916

This Hand-Winding model from 1974 features a 40mm Stainless Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9b53b4d6a703]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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