Seiko Cal. 4536 - 578

The Seiko 4536-578 represents an important milestone in Seiko's 1968 lineup. Powered by the 4536 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-82301bad0be3]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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