Seiko Cal. 4420 - 921

This Hand-Winding model from 1967 features a 36mm PVD Black case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ea3beefac1cd]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

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