Seiko Cal. 5284 - 777

This Hand-Winding model from 1970 features a 41mm Stainless Steel case. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-63497cb3e639]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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