Seiko Cal. 4578 - 976

The Seiko 4578-976 represents an important milestone in Seiko's 1967 lineup. Powered by the 4578 caliber with 26j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-559280cb3071]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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