Seiko Cal. 4540 - 572

The Seiko 4540-572 represents an important milestone in Seiko's 1975 lineup. Powered by the 4540 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e86570cdd8a5]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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