Seiko Cal. 4556 - 909

The Seiko 4556-909 represents an important milestone in Seiko's 1984 lineup. Powered by the 4556 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-8c05b154ecae]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

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