Seiko Cal. 4556 - 820

The Seiko 4556-820 represents an important milestone in Seiko's 1994 lineup. Powered by the 4556 caliber with 18j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-453408d3d690]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1994

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