Seiko Cal. 4556 - 509

The Seiko 4556-509 represents an important milestone in Seiko's 1982 lineup. Powered by the 4556 caliber with 27j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-53ada03c8c66]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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