Seiko Cal. 4539 - 323

The Seiko 4539-323 represents an important milestone in Seiko's 1973 lineup. Powered by the 4539 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c15487e9fedf]

Also known as: Shogun, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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