Seiko Cal. 4581 - 156

This Automatic model from 1970 features a 37mm PVD Black case. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-2cb49ce3beb5]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1970

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