Seiko Cal. 4556 - 843

The Seiko 4556-843 represents an important milestone in Seiko's 1968 lineup. Powered by the 4556 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-761113485491]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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