Seiko Cal. 5284 - 511

Released in 1967, the Cal. 5284 with design code 511 was part of Seiko's domestic market collection. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-38ee3816cc83]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1967

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