Seiko Cal. 4428 - 481

This Hand-Winding model from 1968 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-84aed7cffc37]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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