Seiko Cal. 4420 - 864

The Seiko 4420-864 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-574c0b78614e]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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