Seiko Cal. 4539 - 952

The Seiko 4539-952 represents an important milestone in Seiko's 1971 lineup. Powered by the 4539 caliber with 32j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-10db90f58b65]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1971

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