Seiko Cal. 4478 - 878

The 4478-878 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-17cc61ba6948]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

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