Seiko Cal. 4478 - 710

The Seiko 4478-710 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-ad73ee472831]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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