Seiko Cal. 4539 - 620

This Kinetic model from 1975 features a 34mm Hardlex-Coated Steel case. Powered by the 4539 caliber with 20j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-edb5ec882fdd]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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