Seiko Cal. 4539 - 530

The Seiko 4539-530 represents an important milestone in Seiko's 1975 lineup. Powered by the 4539 caliber with 34j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-bd7dac6af67d]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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