Seiko Cal. 4428 - 892

The Seiko 4428-892 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-55b9d3eb0416]

Also known as: Silverwave, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

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