Seiko Cal. 4581 - 394

This Spring Drive model from 1966 features a 44mm PVD Black case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-6b463efda258]

Also known as: Panda, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

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