Seiko Cal. 4581 - 384

The Seiko 4581-384 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-952a617e60e6]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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