Seiko Cal. 4447 - 564

This Spring Drive model from 1988 features a 37mm Titanium case. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-7d0cc89d11f6]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

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