Seiko Cal. 4478 - 538

The Seiko 4478-538 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-c0d7bfddc587]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

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