Seiko Cal. 4578 - 901

The Seiko 4578-901 represents an important milestone in Seiko's 1969 lineup. Powered by the 4578 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-3136bc99ab4b]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

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