Seiko Cal. 4578 - 284

Released in 1980, the Cal. 4578 with design code 284 was part of Seiko's domestic market collection. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-17f3aabe4aa8]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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