Seiko Cal. 4447 - 178

Released in 1987, the Cal. 4447 with design code 178 was part of Seiko's domestic market collection. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-dc22f47fe9fe]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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