Seiko Cal. 4578 - 864

The Seiko 4578-864 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-b12d26ea9fb5]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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