Seiko Cal. 4478 - 230

The Seiko 4478-230 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-dc0da0037e92]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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