Seiko Cal. 4564 - 121

The Seiko 4564-121 represents an important milestone in Seiko's 1984 lineup. Powered by the 4564 caliber with 36j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-c9da934ee38c]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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