Seiko Cal. 4581 - 665

The 4581-665 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-d5cf1611ed52]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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