Seiko Cal. 4478 - 905

The Seiko 4478-905 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8ed767597ceb]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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