Seiko Cal. 4578 - 347

This Spring Drive model from 1995 features a 46mm Gold-Plated case. Powered by the 4578 caliber with 33j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-a675af2ec0c9]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1995

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