Seiko Cal. 4420 - 662

The Seiko 4420-662 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1d264d33a1e6]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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