Seiko Cal. 4428 - 491

This Spring Drive model from 1967 features a 41mm Stainless Steel case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8ef5620ce809]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

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