Seiko Cal. 4581 - 509

The 4581-509 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-4888c5cf970b]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1973

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