Seiko Cal. 4478 - 315

The Seiko 4478-315 represents an important milestone in Seiko's 1997 lineup. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-0f33775b7343]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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